La-Co Markal Slic-Tite with PTFE - 8 oz. $9.95, 12/$111.00 La-Co Markal Oxytite Pipe Thread Sealant for Oxygen $98.50 La-Co Markal Plasto-Joint Stik Plastic Thread Sealant $2.95, 12/$31.44 Pipetite-Stik $0.90, 72/$57.60, 144/$108.00 Markal Leak-Tite BlueŽ $9.45, 24/$205.20 Pipe Thread Tape of PTFE - Contractor Grade 1/2" x 520" $0.59 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 588 or Internet Sales.