Cherne 262110 Muni Ball Test Ball Plug, Pneumatic, 10 in Pipe, Natural Rubber, with Bypass G4315053 Steam Gender Female Includes Seal Steam Gender Female Includes Seal No Connection Type Threaded Class Pressure Class 300 2 Mounts on the surface of the door's interior side for easy installation without a mortise lock Bypass Connection Type NPT Back Pressure 30 ft of Head Type Pneumatic Required Inflation Pressure 35 psi Includes (2) Port Plugs Body Surface Style Textured Air Connection Type Tire Valve Test Plug Weight 9 lb Head Tether Connection Eyebolt Maximum Back Pressure (Water) 30 ft of head Series Muni Ball For Use On Piping Systems Contains Bypass Yes Includes Protective Sleeve No Contains Pressure Release Valve No Number of Inflation Chambers 1 Application Blocking