Cryovial Series T311-4a, 4 ml, Self-Standing, 12.5 X 72 mm, Case Of 10

Details:

Specially formulated polypropylene, is certified rnase-free, dnase-free, pyrogen-free, and dna-free. Series t309 is a lip-seal design tube with external threads. Series t310 has a silicone washer seal and external threads. Series t311 has a silicone washer seal with internal threads. Silicone washer seal, internal threads.