Test Ball Plug, Air Connection Gender Female, Air Connection Size 4 in, Air Connection Type Tire Valve, Body Surface Style Textured, Bypass Connection Size 3/4 in, Bypass Connection Type NPT, Bypass Thread Gender Female, Deflated Diameter 3.13 in, Deflated Length 8 in, For Maximum Pipe Inside Diameter 4.25 in, For Maximum Pipe Size 4 in, For Minimum Pipe Inside Diameter 3.25 in, Head Tether Connection Eyebolt, Inflated Length Not Applicable, Maximum Back Pressure (Air) 22 psi. This item has been restricted from sale in the following state (s): []