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Wheaton&#174; 20mm Seal, Center Tear-Out, Aluminum, Unlined. Open top seals feature an opening to allow for exposure of the vial's stopper or septa (not included.) Center disc tear-out seals feature a tear away center disc which allows for this exposure, and turns the seal into a hole cap which you can plunge a syringe through. Unlined aluminum seal features a center disc tear-out style center disc. Designed for sealing glass vials and bottles. Center disc tears out exposing the top of the septa to the syringe Conveniently bulk packed Manufacturer: Science

Wheaton&#174; 20mm Crimp Seal, Center Tear-Out, Aluminum, Unlined, Case of 1000

20mm-crimp-seal-center-tear-out-aluminum-unlined-case-of-1000

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