Oatey 1/2 in. x 260 in. Yellow Thread Sealing PTFE Plumber's Tape 31403D - The Home Depot
Blue Monster PTFE Thread Seal Tape 3/4" x 1429" Single Roll
WOD Tape Plumbers Teflon Thread Seal Tape - 1/2 inch x 520 inch (500 Rolls) - Leak Proof Sealant for Water, Gas, Oil, Chemicals, Hydraulic and High Pressure Lines PTFE-35S - Walmart.com
Oatey 1/2 in. x 260 in. Yellow Thread Sealing PTFE Plumber's Tape 31403D - The Home Depot