Low Density, 1/2 in x 21 ft, Thread Sealant Tape - 21TF19|21TF19 - Grainger
Plumbing Tape
WOD Tape Plumbers Teflon Thread Seal Tape - 1 inch x 520 inch (50 Rolls) - Leak Proof Sealant for Water, Gas, Oil, Chemicals, Hydraulic and High Pressure Lines PTFE-35S - Walmart.com