2mL Microcentrifuge Tubes with Screw Cap, Polypropylene, Self-Standing (Pack of 500): Science Lab Micro Centrifuge Tubes: Amazon.com: Industrial & Scientific
Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Natural, Certified: Rnase, Dnase and Pryogen Free, 500/Stand Up Zip Lock Bag - Pack of 500
2.0ml MicroCentrifuge Tubes – BiopointeScientific
Globe Scientific Microcentrifuge Tubes in Self-Standing Bags
Screw Cap Microcentrifuge Tubes, Self-Standing - USA Scientific, Inc