Test Plug Air Connection Gender Male Air Connection Size 1/4 in Air Connection Type NPT Body Surface Style Textured Bypass Connection Size Not Applicable Bypass Connection Type Not Applicable Bypass Thread Gender Not Applicable Deflated Diameter 19.13 in Deflated Length 17.13 in For Maximum Pipe Inside Diameter 16.25 in For Maximum Pipe Size 16 in For Minimum Pipe Inside Diameter 8.92 in For Minimum Pipe Size 10 in Head Tether Connection Handle and Chain Inflated Length 19.13 in