Mechanical Expansion Plug Replacement Pad Kits Bypass Connection Size 8 in Bypass Connection Type Not Applicable Bypass Thread Gender Not Applicable For Maximum Pipe Inside Diameter 8 in For Minimum Pipe Inside Diameter 8 in For Pipe Size 8 in Handle Material Not Applicable Included Water Fill Port/Hose Water Fill Port Included Maximum Back Pressure (Air) 65 psi Maximum Back Pressure (Water) 150 ft of head Overall Height 2 in Padlock Shackle Diameter Not Applicable