Test Tube Rack - 18mm x 12 Tube Capacity - Polypropylene Plastic - Autoclavable

Test Tube Rack - 18Mm X 12 Tube Capacity - Polypropylene Plastic - Autoclavable

Test Tube Rack - 18mm x 12 Tube Capacity - Polypropylene Plastic - Autoclavable

Eisco Labs Test Tube Rack - Holds 12 Tubes, 18mm Test Tubes - Polypropylene

Polypropylene Test Tube Rack

Eisco Labs Test Tube Rack, 9 Inch - Polypropylene - Holds 12 Tubes

Plastic Test Tube Rack for 15/18 Mm Tubes, Hole Diameter Is 18.7Mm, Holds 50, De

Plastic Test Tube Rack, 12 Holes x 20mm Diameter, White (Single)