Winter Pool Plug with Blow Thru Valve for 4 Inch Pipe - # 16 fitting-connection_Slip The tan HS-1 SL Self-Leveling

The tan HS-1 SL Self-Leveling Pool Joint Sealant is a one-part self-leveling concrete joint sealant developed using SMP technology

This lid and collar is made for the Pentair/Sta-Rite SwimQuip U-3 Skimmers

They are a simple and low cost alternative for applications that do not require more than 21 Amps or 2 HP

26 square feet

It does include a swivel adapter that allows you to use a 1-1/2 inch hose if needed

Winter Pool Plug with Blow Thru Valve for 4 Inch Pipe - # 16 fitting-connection_Slip The tan HS-1 SL Self-LevelingThis 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