8 mm PTFE/Silicone/PTFE Seal TT (100/pk)

8 mm seal made with white silicone faced on both sides with red PTFE. Double layer of PTFE minimizes coring and inlet plugging. Fits 8-425 thread screw caps.Packaged: 4 in. x 6 in. plastic bag; Weight: 11.3 g.