11mm Yellow Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11Y

Poly Crimp™ Seals, 11mm Crimp - Patented.A crimp cap constructed of plastic that fits virtually any crimp top sample vial. Use a standard crimping tool to securely crimp the Poly Crimp™ Seal onto any crimp top vial. This cap is versatile. The Poly Crimp™ Seal permits an airtight seal by hand, without crimping. Securely crimp the Poly Crimp™ Seal onto any crimp top vial, both standard opening and Big Mouth...it's that easy!