Rapidair F1024 3/4" Wall Outlet with 1/2" Female NPT Ports This listing is for the Rapidair F1024 Fast Pipe Wall Outlet, part number F1024. This outlet kit is used with the 3/4" OD Fast Pipe Piping System manufactured by Rapidair.  This kit includes one wall block, one drain valve, and 2 plugs.  The wall block features a 3/4" Inlet and four 1/2" NPT Female Outlets. If outlets are not used, you can use the plugs that are included with this kit.   Please note, that 1/2" NPT Female ports measure about 3/4" In diameter when using a ruler.  If your coupler or air hose is not 1/2" you can use a reducer to adapt it, which can be found at any local hardware store.   Specifications: Includes 1 Wall Block Includes 1 Drain Valve Includes 2 Plugs Works with the Fast Pipe 3/4" Tubing 3/4" OD Fastpipe Inlet 1/2" NPT Outlets (Measures 3/4" in Diameter with Ruler)