Cherne® Clean-Seal® 271848 Pneumatic Pipe Plug, 4 in Pipe, 13 psi Working, Natural Rubber, Import

• Trusted by the trade as the best in the business, Clean-Seal® 2 offers the same reliable features as the original Clean-Seal® with the ability to test the DWV system with either air or water no longer fill a DWV system from the stack or use other complicated multi-piece products
• Plug, fill and drain from same cleanout tee
• Multi-lobe gasket allows sealing of all tees including cast iron
• Hand tighten in place, no tools required
• Rubber cap protects hose connection when not in use
• Check valve allows removal of hose after filling system and keeps DWV water from back filling into potable lines