Push-In Plugs
'Test Ball Plug Pneumatic Nominal Size 10 In Min Dia 9 In Max Dia 10.25 In Max Back Air Pressure 13 PSI Max Back Pressure 30 Ft of Head Required Inflation Pressure 35 PSI Deflated Size 11.75L x 8.75 D In Material of Construction Natural Rubber For Use In Blocking Sewer Flow Or Conducting Sewer Air Tests'