6 Pack Test Tube Rack Laboratory Centrifuge Tube Holder Detachable Plastic Stand

Cynamed Wooden Test Tube and Drying Rack 22mm Perfect for Laboratory & Classroom

Test Tube Drying Rack Plastic Peg Laboratory Test Tube Storage Holder

4-Way Plastic Test Tube Rack Assorted Colors for Laboratory Use (one only)

Laboratory Test Tube Stand Drying Rack for Test Tubes Plastic Construction

Nalgene Test Tube Rack Holder Support Plastic 117-PEG (10-13mm) White

Laboratory Test Tube Stand Drying Rack for Test Tubes Plastic Construction

Nalgene Test Tube Rack Holder Support Plastic 117-PEG (10-13mm) White