Tuf-Bond Ptfe/Silicone Discs, Discs That Combine The Inertness Of Ptfe With The Resealability Of Silicone, Pack Of 72

Details:

Structurally bonded ptfe to silicone; no cement to leak out of your sample after needle penetration reseals instantly, puncture after punctureautoclavable compresses to maintain a tight seal forcing the ptfe to conform to the sealing surface standard syringe and gc needles penetrate the entire disc with ease