4-Inch Oatey 271721 Cherne Clean Seal Plug
Oatey 271721 Cherne Clean Seal Plug, 4-Inch: Home Improvement. Buy Oatey 271721 Cherne Clean Seal Plug, 4-Inch: Tube Seals & Kits - ✓ FREE DELIVERY possible on eligible purchases. 4" Clean-Seal Plug . Product Description 4" Clean-Seal Plug 1 PSI, 0 FT Threads into test tee, eliminating water backsplash. Removable snifter valve inflation fitting is replaceable Made from long-lasting natural rubber Seals both cast-iron and plastic pipe. . From the Manufacturer Cherne Clean-Seal Plugs. Threads into test tee, which eliminates water backsplash. They feature a removable snifter valve inflation fitting, which is also replaceable. They're constructed from long-lasting natural rubber. Seals both cast-iron and plastic pipe. . . .