La-Co Markal Slic-Tite with PTFE $9.48, 12/$105.36 La-Co Markal Oxytite Pipe Thread Sealant for Oxygen $91.30 La-Co Markal Plasto-Joint Stik Plastic Thread Sealant $2.95, 12/$30.00 Pipetite-Stik $0.92, 72/$59.04, 144/$110.88 Markal Leak-Tite BlueŽ $11.00, 24/$250.80 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.