Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, BLUE, Certified: Rnase, Dnase and Pryogen Free, 500/Stand Up Zipper Closure Bag

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, BLUE, Certified: Rnase, Dnase and Pryogen Free, 500/Stand Up Zip Lock Bag