Winter Pool Plug with Blow Thru Valve for 4 Inch Pipe - # 16 fitting-connection_Slip Pool Rover

Pool Rover

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Winter Pool Plug with Blow Thru Valve for 4 Inch Pipe - # 16 fitting-connection_Slip Pool RoverThis number 16 pool plug with valve creates a tight seal for a 4 inch PVC pipe. Includes a blow through valve for inserting compressed air into lines. Open stem plugs (or plugs with blow thru valves) use the same rubber, large wing nuts and corrosion free materials as closed plugs except they have an opening that passes through the center of the stem. They are similar to bike tire valves. This opening allows introduction of air or water pressure into