SEPTA,.005"PTFE/.120"SIL ( 144 in case)

Details

Excellent for use with open-top caps to access container contents with a syringe, Highly chemically resistant PTFE facing maintains integrity of contents, Silicone rubber backing allows repeated puncturing through the seal, Resists coring, Autoclavable, Recommended for use in all autosamplers using screw thread vials, is white PTFE / tan silicone and is recommended for use with EPA vials