Anchor Brand White PTFE Thread Sealant Tape, 1/2 in x 600 in, Standard Density 1/2X600-PTFE

Tapes can be used in a wide variety of applications, from general purpose service such as water and air, to difficult service such as acids and pure oxygenEasy installation, several wraps around the male threads and you're doneMade of 100% PTFE; compatible with almost any process fluid (except molten alkalis and elemental fluorine)Unlimited shelf life, no age deterioration, non-hardening.