Test Plug,Pneumatic,1-1/2 to 3 Size
19 in, Deflated Length 8 in, For Maximum Pipe Inside Diameter 3 in, For Maximum Pipe Size 3 in, For Minimum Pipe Inside Diameter 0.Test Plug, Air Connection Gender Female, Air Connection Size 5/16 in, Air Connection Type NPT, Body Surface Style Smooth, Deflated Diameter 1.25 in, Maximum Back Pressure (Air) 45 psi, Maximum Back Pressure (Water) 30 ft of head, Number of Inflation Chambers 1.