Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Best Choice Dahszhi New
Dahszhi PCR Tube Rack Double Panel Microcentrifuge Test Tube Rack Holder for 0.5ml 1.5ml 2ml Test Tube, 60-Well - 2pcs 🎁Package Content - 2pcs x PCR Tube RackSOLUSTRE New
SOLUSTRE 4pcs Microcentrifuge Tube Rack Holder Storage Container Box Lid for Sample Storage holder:adopting great quality material, which let you use for a very long time, CaseJECOMPRIS New
JECOMPRIS 1 Set Test Tube Rack Sample Holder Microcentrifuge Tube Rack Test Tubes with Lids and Rack Small Test Tube Tub Compact and Practical Design: Measuring approximately 6.7 x 5.1 x 2 inches, this transparent plastic test tube rack is lMUHWA New
5 PCS Vial Rack Tube Rack Double Panel 96 Positions for Microcentrifuge Tubes 0.2-2ml Material: Polypropylene (PP), Autoclaved. Assorted Colors, Blue, Green, White, Purple, Orange (Pack of 5)Best Value Ipetboom New
Ipetboom 2pcs Microcentrifuge Tube Rack Holder Plastic Storage Stand Compatible with Tubes Multipurpose for Sample Organ Plastic tube rack:it is manufactured with professional technology to ensure the of the product and can work for a long tB Baosity New
Baosity Rack Storage Vial Centrifuge Tube Racks with Different Size Holes, as described, for 0.5ml 1.5ml 5ml Good for microcentrifuge tubes and cryogenic tubes.ULTECHNOVO NewULTECHNOVO Microcentrifuge Tube Test Tube Freezer Storage Box Plastic Numbered 16 Grid 50ml Rack Laboratory Organizer Laboratory Freezing Solution: This Freezing box is crafted from plastic material, designed to hold 50ml tubes securely,DECORNIJIA NewDECORNIJIA Plastic Lab Tube Rack Microcentrifuge Tube Holder Multipurpose Sampling Stand for Classroom Scientific Experi Enhanced stability: antislip pads prevent accidental tube displacement, safeguarding samples during critical experimentsHEATSHAKING NewHEATSHAKING Multipurpose Plastic Test Tube Rack for Microcentrifuge Tubes and Sample Bottles Lab Organizer with Compact Precision hole layout: strategically designed hole positions allow quick tube placement and retrieval, streamlining workPRETYZOOM NewPRETYZOOM 4pcs Microcentrifuge Tube Rack with Molded Id Numbers Polypropylene Storage Case for Laboratory Sample and Cry Microcentrifuge tubes--it is manufactured with professional technology to ensure the of the product and can work for a lGANAZONO NewGANAZONO Test Tube Holders: Plastic Microcentrifuge Tubes Rack 50 Holes Sampling Stand Lab Vial Storage Rack for Classro Universal tube holder: accommodates various tube types, including sampling tubes, microcentrifuge tubes, and sample bottGatuida NewTube Freezer Storage Box Cardboard Cryogenic Holder Rack Storage Box with Lids for Microcentrifuge Tubes Vials Samples 👨🔬🧪 Wonderful workmanship, useful design, easy for sample identification, suitable for different experiments or sampGLEAVI NewGLEAVI Freezer Box Cryogenic Holder for Microcentrifuge Tube Lab Storage Case Reusable Plastic Vials Container for Testi Sleek design: the container boasts a sleek exterior, adding a sophisticated and professional aesthetic to your laboratorSOLUSTRE New500Pcs Plastic Tubes with Snap Cap Polypropylene Microcentrifuge Tube Round Bottom Tube 2ml for Lab The Tube is made of polypropylene plastic and is a great laboratory product.DECORNIJIA NewDECORNIJIA Microcentrifuge Tube Freezer Storage Box Sample Organizer for Tubes Laboratory Cryogenic Rack with Flip Cover Detachable test tube holder:designed to withstand freezing temperatures, the tube storage box has great durability,freezIpetboom NewIpetboom Sturdy Paper Microcentrifuge Tube Container with Storage Holder and Connected Lid Leak-Resistant Centrifuge Tub Mini tube containers with lids:the storage holder provides ample storage space to accommodate a wide range of samples,ceLIFKOME NewLIFKOME 4holes Microcentrifuge Tube Rack Drum Tube Storage Plastic Caddy for Stand Lab Fixture Portable design: easy to assemble and disassemble, this test tube rack is convenient to store and transport, suitable foFUNOMOCYA NewFUNOMOCYA 4pcs Microcentrifuge Tube Rack Lab Test Tube Holder Rack Organizer Supplies Enhanced experiment flow: your lab processes with a rack that simplifies tube management, reducing downtime and improvinCANIGHT NewCANIGHT 2pcs Vial Holder Tube Holder Tube Organizer Vial Rack Plastic Test Tube Rack Lab Tube Racks Laboratory Furniture Portable and convenient: lightweight and easy to carry, this test tube rack is also simple to store, making it a practicHEATSHAKING NewHEATSHAKING 2pcs Double-sided Test Tube Rack Slots Microcentrifuge Tube Holder Storage Organizer for Laboratory and Hosp Test tube holder-- and lightweight, easy to carry and simple to store, won't take up too much space,test tube holdersLOLIPPYY NewLOLIPPYY Plastic Test Tube Rack Holder for Sampling and Microcentrifuge Tubes Chemical-Resistant Organizer Tray Space-Sa Space-efficient design: compact structure fits seamlessly into tight lab spaces, offering convenience for storage and trULTECHNOVO NewULTECHNOVO 4pcs Tube Box Labs Test Tube Rack Lab Rack Microcentrifuge Tubes Tube Support 1.5 Miniature Holder Microcentr Provides compact storage and keeps cryo vials organized: 12.00X8.50X3.00cm/4.72X3.34X1.18 inchMobestech NewMobestech 3 Glass Tubes Rack Lab Tube Rack Test Tube Holder Rack Test Tube Holder 15ml Acrylic Clear Test Tube Laborator Test tube drying rack: detachable lab test tube rack is suitable for 15mm wide test tube.iplusmile Newiplusmile 500pcs Graduated Tubes 1.5ml with Lids Test Microcentrifuge Tube for Supplies Scientific Experiments Precise Measurement: The 1.5ml graduated tubes feature a scale design, allowing for accurate measurement in laboratory eGatuida NewGatuida Tube Box Cryogenic Storage Holder for Microcentrifuge Tube Microcentrifuge Tube Container Tube Rack Microcentrif Microcentrifuge tube storage holder-- made with plastic material, tube storage box is useful and sturdy, safe and excellBaluue NewBaluue 4pcs Microcentrifuge Tube Rack Storage Box Cork Lid for Tubes Test Holder LAB MICROCENTRIFUGE TUBE RACK-- Micro Tubes Rack Plastic Tube Stand Holder Box with Cover。Cabilock NewCabilock Test Tube Rack: 50 Holes Microcentrifuge Tube Holder Plastic Test Vial Stand Storage Rack for Science Laborator Versatile tube compatibility: designed to hold sampling tubes, microcentrifuge tubes, and sample bottles, this rack suppBIUDECO NewBIUDECO 4pcs Microcentrifuge Tube Rack Detachable Lab Test Tube Holder for Experiment Storage Flexible Configuration Spa Timesaving storage: simplify your workflow with a rack that enables quick identification and retrieval of stored tubes,tP-ABC New5 Pcs Tube Rack Double Panel Microcentrifuge PCR Centrifuge Tube Holder, 60-Well SIZE: 5 Pcs tube racks 60-well per side (12mm diameter and 8mm diameter)HOMOCONO NewHOMOCONO Cryogenic Storage Box for Tube Racks Laboratory Freezer Storage Container for Microcentrifuge Tube Racks Lid Microcentrifuge tube storage holder--enough storage capacity, cryogenic storage box is simple to use, allows for the stoBUTIFULSIC NewBUTIFULSIC Test Tube Rack: 50 Holes Plastic Microcentrifuge Tubes Holder Liquid Sample Vial Holder Organizer Stand for L Multipurpose rack: supports 50hole sampling tubes, microcentrifuge tubes, and sample bottles, catering to a wide range oCOOPHYA NewCOOPHYA Plastic Test Tube Rack: 50 Holes Microcentrifuge Tubes Holder Tray Vial Rack Laboratory Display Stand for Scienc Adaptable tube storage: holds sampling tubes, microcentrifuge tubes, and sample bottles, making it a versatile additionzenaogaawbo NewTest Tube Holder 2Pcs Test Tube Rack 8.66x3.78x2.24In Portable Lightweight Laboratory Plastic Centrifuge Rack, Orange an Plastic Construction: Crafted from quality plastic, these racks are built to withstand daily laboratory use. They are re15% Off TEHAUX NewTEHAUX Laboratory Test Tube Rack Kit, Laboratory Test Tube Set Test Tubes for Professional Laboratories, Science Classro Core Functionality: This laboratory tube holder kit is essential for organizing test tubes, making it a must-have for anDRESSOOS NewDRESSOOS Multipurpose Plastic Test Tube Rack with Antislip Pads for Microcentrifuge Tubes and Sample Bottles Portable La Spacesaving structure: compact design optimizes workspace usage, making it ideal for laboratories with space or mobile wOATIPHO NewOATIPHO Multi-functional Microcentrifuge Tube Rack 2pcs Holder for 0.5ml 1.5ml 10ml 50ml Tubes Random Color tube racks: for smaller storage requirements of microtubes or cryogenic vials.Ipetboom NewIpetboom Microcentrifuge Tube Storage Box with Design for Freezer Cryogenic Sample Organization Laboratory Centrifuge Tu Cryogenic holder:made with plastic material, storage box is useful and sturdy, safe and excellent, not easy to deform,plBaluue NewBaluue 3 Sets Test Tube Rack with 6 Pieces Plastic Tubes, Empty Measuring Cup with Lids, Organizing for School, Laborato Comprehensive Set: This product includes 3 sets of test tube racks and 18 test tubes, providing ample supplies for varioSOLUSTRE NewSOLUSTRE 4pcs Plastic Storage Container Microcentrifuge Tube Case Removable Lid Sample Storage Laboratory Organization Made Easy: The tube box designed for 0.2ml microcentrifuge tubes offers a reliable storage solutLrocaoai New10 Pcs Microcentrifuge Tube Rack Polypropylene Tube Holder Double for 0.5 Ml- 2 Ml Tube, 60 Holes Each, 5 Colors Experience Uncompromised Quality and Quantity: the package includes 10 tube holders, providing an ample supply to meet vPOPETPOP New15ml/50ml Test Tube Rack Tube Rack Holder Detachable Tubing Rack Holder for Laboratory Classroom School Supplies [Random Used for freezing, storage, transport, and general benchtop use.GLEAVI NewGLEAVI 6 Colorimetric Tube Rack Microcentrifuge Tube Rack Clear Test Tube Rack Clear Planter Test Tube Drying Rack 2 Tie Test tube holder-- made of durable and reliable acrylic materials with excellent texture and durability, test tube standGeneric NewXYWHPGV Centrifuge Tube Rack Storage Box 100-Well Polypropylene Holder for 1.5ml Microcentrifuge Tubes, Vials, Samples 1 [Size] - Fit for 1.5ml micro-centrifuge tubes, 100 Well; Overall Size: 150x150x55mm / 5.91*5.91*2.17 Inch (L*W*H); HolePenRux NewPenRux Centrifuge Tube Holder, Sturdy Structure 0.75in Diameter Metal Test Tube Rack 12 Holes Stainless Steel 3 Tiers fo 【Durable Stainless Steel Design】Crafted from premium 304 stainless steel, this test tube rack is built to last with exceAnneome NewAnneome 4pcs 0.2ml Microcentrifuge Tube Rack Polypropylene Holder for Test Tubes Multi-color Storage Case Yellow/green/b Centrifuge case-- though it is simple in design, it's so practical when you use it,lab microcentrifuge rackCabilock NewCabilock Tube Freezer Storage Box Microcentrifuge Tube Rack for Laboratory Use Design for Easy Identification and Access Test tube holder:keeps your freezer tubes firmly, nice for holding laboratory freezer tubes or ,freezer storage organize17% Off Denash NewDenash Centrifuge Tube Rack, High Stability Metal Test Tube Rack Sturdy Structure 3 Tiers 6 Holes for Education Easy to Use: This stainless steel tube rack is ideal for laboratory, which can provide clear view of the tube contents aJECOMPRIS NewJECOMPRIS Plastic Freezing Test Tube Box Microcentrifuge Tube Rack Storage Space Box Kit: accommodates most microtube as well as most manufactured brands of cryogenic vials,cryogenic storage tubeDaiilg NewDaiilg 10 Pcs Microcentrifuge Tube Rack Polypropylene Tube Holder Double for 0.5 Ml- 2 Ml Tube, 60 Holes Each, 5 Colors Experience Uncompromised Quality and Quantity: the package includes 10 tube holders, providing an ample supply to meet vJECOMPRIS NewJECOMPRIS 2pcs Stackable Test Tube Rack Microcentrifuge Tube Racks Plastic Test Storage Versatile Lab Tool Diameter Hold Secure placement: the trapezoidal shape offers a stable base for test tubes, reducing the risk of spills and damage duridomoi Newdomoi 10 Pcs Microcentrifuge Tube Rack Polypropylene Test Tube Holder Double for 0.5 Ml- 2 Ml Tube, 60 Holes Each, 5 Col Experience Uncompromised Quality and Quantity: the package includes 10 test tube holders, providing an ample supply to mULTECHNOVO NewULTECHNOVO 4pcs Microcentrifuge Tube Rack Storage Box Lid Centrifuge Tube Case Plastic Holder Storage Container Centrifuge tube case:it is manufactured with professional technology to ensure the of the product and can work for a lonULTECHNOVO NewULTECHNOVO 5pcs Microcentrifuge Tube Rack for Test Tubes Stable Polypropylene Lab Organizer for Laboratory and Chemistry Optimal fit: this 96well rack is tailored for 0.2 ml test paper tubes, ensuring a snug fit that enhances the precision aiplusmile Newiplusmile 5pcs Microcentrifuge Tube Rack for Test Tubes Lab Organizer for Chemistry and Laboratory Use Stable and Functi Safety first: the waterproof tube filling tray is designed to prevent spill, ensuring that your experiments are conducteGeneric NewLab Tube Holder Rack | Lab Test Tube Rack Holder | Display Acrylic 8 Holes Container for Science Classroom Storage Educa Unmatched Tube Clarity: Designed with high-transparency acrylic material, it ensures clear visibility of your test tubesFUNOMOCYA NewFUNOMOCYA 2pcs Multipurpose Test Tube Rack Tubes Stand Microcentrifuge Racks Plastic Lab Enhanced lab functionality: ideal for centrifugation, storage, and display, this rack helps laboratory workflow and orgaYOSADIER NewYOSADIER 0.2ml Microcentrifuge Tube Rack Holder 4pcs Storage Box 96 Holes in Yellow Green Organizer for Sample Storage tube case:ideal for sample or case study storage, designed for quick visual identification,microcentrifuge tube caseHealvian NewHealvian 2pcs Multi-function Microcentrifuge Tube Rack for 0.5ml/1.5ml/10ml/50ml Tubes Random Color Laboratory Storage H Centrifuge tube bracket: though it is simple in design, it's so practical when you use it.JECOMPRIS NewJECOMPRIS 2pcs Tube Rack for Microcentrifuge Tubes Storage Laboratory Random Color support:it is manufactured with professional technology to ensure the of the product and can work for a long time, ShelfBELLIFFY NewBELLIFFY Cryotube Box Centrifuge Tube Storage Box Microcentrifuge Tube Rack for Laboratory Freezer Use Lids Microcentrifuge tube rack-- useful and versatile in freezing, storage, and transportation of samples, convenient and praPOENVFPO NewPOENVFPO Clear Acrylic Centrifuge Tube Holder for 10ml 15ml Tube,Chemically Resistant for Laboratory [VERSATILE USAGE] This acrylic test tube rack is not just for laboratories, but also for kitchen storage of spices, offeZerodeko NewZerodeko Plastic Cryogenic Test Tube Storage Box Racks Freezer Storage Container for Microcentrifuge Tubes Tube storage container:this test tube rack is great for laboratory to freeze test tube, a necessary equipment for the laDovhmoh NewDovhmoh 2Pcs Plastic Test Tube Rack 24 Holes Lab Test Tube Rack Holder for 25mm Test Tubes, Detachable, White Gatuida NewGatuida 4pcs Freezer Storage Holder for Microcentrifuge Tubes Tube Rack Storage Box Microcentrifuge tube container: compartment design, tubes storage box is easy to use, provides organized storage and easIpetboom NewIpetboom 2pcs Double-sided Test Tube Rack Slots Sampling Tube Storage Holder for Laboratory Supplies Plastic Stand Rando Multifunctional test tube vial rack-- test tube rack is great and perfect for laboratory to place and store your test tuiplusmile Newiplusmile 2pcs Centrifuge Tube Rack for Microcentrifuge Test Tube Holder Capacity Random Color Centrifuge bracket: for smaller storage requirements of microtubes or cryogenic vials, bracket.Amosfun NewAmosfun 2pcs Microcentrifuge Tube Storage Box for Freezer with Capacity and Marking Area Leak-Resistant Sample Holder fo Tube container for freezer:the tube storage holder provides ample storage space to accommodate a wide range of samples,sGLEAVI NewGLEAVI 4pcs 0.2ml Microcentrifuge Tube Rack Polypropylene Storage Case for Test Tubes Colorful Holder (yellow Green Blue case--lid is removable to create a fully accessible workspace, easy to use, ShelfGLEAVI NewGLEAVI Laboratory Plastic Test Tube Rack 40 Holes Detachable Holder Stand for 20mm Tubes Space-Saving Organizer Efficient Laboratory Organization Multiple Holes Design Test tube stand offers 40 holes for 20mm test tubes, enabling orIpetboom NewIpetboom Microcentrifuge Tube Storage Box with Compartments Plastic Freezer Rack for Laboratory Test Tubes Space-saving Plastic test tube rack:made of plastic material and craftsmanship, not easy to crack or break,freezer vial holderBUGUUYO NewBUGUUYO Microcentrifuge Tube Storage Box for Freezer Plastic and Paper Cryogenic Holder with Multi-compartment Design Co Tube holder stand--wonderful workmanship, fine texture, small size, simple to use, not take up too much space, suitableERINGOGO NewERINGOGO Microcentrifuge Tube Storage Holder Cryogenic Tube Box Laboratory Sample Organizer Sturdy Easy-Open Freezer Sto Laboratory storage tubes-- workmanship, simple structure, easy to use, can classify experiments or samples for easy orgaEXAOMBLE NewEXAOMBLE 2pcs Double-sided Plastic Test Tube Rack Slots Laboratory Tube Holder for Centrifuge Lightweight Storage Stand Test tubes rack holder:widely used in hospitals or laboratories to neatly store various test tubes,microcentrifuge tubeTihebeyan NewTihebeyan 6 Holes Plastic Test Tube Rack - Sturdy Holder for Laboratory Supplies [STURDY PLASTIC] Crafted from plastic, this test tube rack offers exceptional durability for reliable use.BELLIFFY NewBELLIFFY 4pcs Centrifuge Tube Box Storage Rack for Microcentrifuge Tubes for Lab Storage Microcentrifuge-- ideal for sample or case study storage, designed for quick visual identification,lab rackBaluue NewBaluue 2pcs Tube Rack Storage Holder for Microcentrifuge Tubes Plastic Random Color Labs Test Tube Rack: It is manufactured with professional technology to the of the product and can work for a time.VALICLUD NewVALICLUD Microcentrifuge Tube Storage Box for Tubes Freezer-safe Sample Organizer with Flip Cover Laboratory Cryogenic F Microcentrifuge tube holder--the tube container is finely constructed, ensuring samples stay dry and protected,outdoor fBUGUUYO NewBUGUUYO Microcentrifuge Tube Storage Container Cryogenic Box Laboratory Tube Holder Space-Saving Sample Organizer for Fr Tube storage container--the easy-to-open and of this box makes it convenient to access your samples, saving you time andYWY NewVial Rack,2 Packs Sample Bottle Rack Vials Autosampler Rack Stackable Test Tube Rack Organizer Centrifuge Tube Holder 50 Offers 12 mm vial racks for holding 2 mL vials for table top sample prepABOOFAN NewABOOFAN 2pcs Stackable Plastic Test Tube Rack with Secure Trapezoidal Design Multi-purpose Centrifuge Tube Holder Reusab Wide range compatibility: supports test tubes with diameters ranging from 4 to 28 mm, making it suitable for a variety oSOLUSTRE NewSOLUSTRE 4pcs Microcentrifuge Tube Cryogenic Storage Tube Rack for Laboratory Freezer Container Cryogenic storage holder for microcentrifuge tube: the centrifuge tube storage holder provides ample storage space to acHAWILLOSCH NewHAWILLOSCH 4pcs Microcentrifuge Tube Case Tube Box Storage Rack for Plastic Microcentrifuge for Lab Storage tube case:it is manufactured with professional technology to ensure the of the product and can work long time, tube rackBaluue NewBaluue 5ml Tubes, Microcentrifuge Graduated Tube with, Polypropylene Small Sample Bottle Vials Container for Lab Sample [Polypropylene Material] Made of polypropylene material, these tubes with graduated are adapted to micro , ensuring reliGogogmee NewGogogmee 500 Pcs Round Bottom Microcentrifuge Tubes with Transparent Polypropylene Sample Containers with Accurate Gradu tube:polypropylene, high temperature and high pressure sterilization, tube containerPerfeclan NewPerfeclan Centrifuge Tube Holder Tubes Rack 0.2/0.5/1.5/2/5/10/15/50ml Microcentrifuge Experiment Organizer Centrifuge T 【Step-Type Design】: The stepped design allows for easy identification and access to the tubes, enhancing efficiency in yQANYEGN NewQANYEGN 5Set 40 Hole Plastic Test Tube Rack, Removable Sample Bottle Holder, Test Tube Holder Rack Stand for Laboratory STRONG AND LIGHTWEIGHT CONSTRUCTION: The 40 hole plastic test tube rack is made of sturdy plastic material that combinesBUGUUYO NewBUGUUYO Cryogenic Microcentrifuge Tube Storage Box Laboratory Tube Holder for Freezer Use Cold-resistant Sample Organize Liquid sample seal container:the grids design allows for storing multiple samples at the same time, facilitating classifYARNOW NewYARNOW Laboratory Test Tube Rack Set Experiment for Educational Play Wooden Rack with Transparent Tubes for Dollhouse Sc Test tube holder--you can play this house ornament with your education and have the product is small,simulation tube racFolpus NewFolpus Tubes Rack Test Tubes Rack Practical 92 Wells Stepped Multifunctional Microcentrifuge Display Centrifuge Tube Hol 【Product Dimensions】: With dimensions of 22cmx13cm, this test tube rack is compact yet spacious enough to hold multipleELAYARD NewELAYARD Microcentrifuge Tube Storage Box Freezer Storage Container Tube Rack Vial Holder Test tube vast:keeps your freezer tubes firmly, nice for holding laboratory freezer tubes or ,freezer containerkoolsoo Newkoolsoo Test Tubes Rack Tubes Rack 92 Wells 0.2ml-50ml Holder Microcentrifuge Pipe Rack Multifunctional Supplies Vial Ra 【Product Dimensions】: With dimensions of 22cmx13cm, this test tube rack is compact yet spacious enough to hold multipleJECOMPRIS NewJECOMPRIS 4pcs Microcentrifuge Tube Box Storage Container Cork Lid Rack Test Tubes Holder Microcentrifuge tube rack:made from polypropylene plastic(pp), lightweight, high temperature and low temperature resistauxcell Newuxcell Test Tube Rack Acrylic 24-Well Clear for 1.5ml and 2ml Material: Acrylic(PMMA).Healvian NewHealvian 0.2ml Tube Rack Storage Box Holder 4pcs Microcentrifuge Tube Organizer (yellow/green/blue/purple) for Lab Sampl Lab Organization Solution: The tube box designed for 0.2ml microcentrifuge tubes keeps lab benches tidy and organized, pFafeicy NewFafeicy Test Tube Rack Durable 304 Stainless Steel Test Vial Holder for Laboratory Studio Organize Tubes Efficiently (40 Durable Construction: This test tube rack is made of premium 304 stainless steel, ensuring exceptional sturdiness and prJWQFBC NewJWQFBC Test Tubes Rack Vial Rack 0.2/0.5/1.5/2/5/10/15/50ml Microcentrifuge Display Experiment Centrifuge Tube Holder 【Step-Type Design】: The stepped design allows for easy identification and access to the tubes, enhancing efficiency in yBarbuly NewBarbuly 4X Plastic Clear Test Tube Rack 6 Holes Stand Lab Test Tube Stand Shelf School Supply Lab Equipment 16.7X8X3 cm Plastic tube material stability,TEHAUX NewTEHAUX 50Pcs Tubes with Graduated Test Vials for Laboratory Experiments Sample Measurement and Craft Use Ultra-transpare 1.5ml Tube Ice Box: Suitable for centrifuges, plastic tubes are widely in clinical chemistry, molecular biology, biochemPLAFOPE NewPLAFOPE Microcentrifuge Tube Freezer Storage Box 100 Places Waterproof Cardboard Cryogenic Holder Rack Multi-Grid Design Organized Sample Storage Refrigeration tube box from the Industrial Scientific Tube Racks category offers 81-grid capaciGLEAVI NewGLEAVI 2pcs Test Tube Rack for Tubes for Organizing and Freezing and Lightweight Design for and Scientific Research Centrifuge test tube rack--keeps your centrifuge tubes firmly, nice for holding laboratory test tubes or , storage rack