Test Ball Plug Air Connection Gender Male Air Connection Size 1/4 in 1/2 in Air Connection Type Tire Valve Body Surface Style Smooth Bypass Connection Size Not Applicable Bypass Connection Type Not Applicable Bypass Thread Gender Not Applicable Deflated Diameter 19.5 in Deflated Length 70 in For Maximum Pipe Inside Diameter 40 in For Maximum Pipe Size 40 in For Minimum Pipe Inside Diameter 20 in For Minimum Pipe Size 20 in Head Tether Connection Bracket Tag