Oatey Cherne Clean Seal Plugs eliminate test water backsplash when stack testing drain, waste and vent plumbing systems. They are easy to install and have a natural rubber body that provides a leak-free seal. The plugs hold backup to 13 pounds per square inch or 30 feet of head pressure, seals both plastic and hard-to-seal cast iron threaded cleanouts, and has high-impact ABS threads for maximum durability.
Oatey
