BIPEE Plastic Test Tube Rack for 25mm Tubes, 24 Well, White,Detachable (24 Hole) : Amazon.ca: Industrial & Scientific
Test Tube Rack, Centrifuge Tube Holder (2 Pack - Blue and Orange) for 10ml, 15ml, 50ml, Detachable Plastic Stand, 28 Well : Amazon.ca: Musical Instruments, Stage & Studio
BRAND Polypropylene Test Tube Racks - Cole-Parmer Canada
CLS-4301-R - CENTRIFUGE TUBES, POLYPROPYLENE RACKS, STERILE- Chemglass Life Sciences
Karter Scientific 208V2 Plastic Test Tube Rack for 12/13mm Tubes, Holds 50, Detachable : Amazon.ca: Industrial & Scientific
Scienceware 18860-2125 Test Tube Rack, PP, for 21 to 25 mm OD Tubes from Cole-Parmer Canada