Waterway - Lo-Pro Air Injector 90 Ell, 3/8in Air, 3/4in Hole, Grey

Waterway Lo Profile Air Injector 90 Degree Style 3/8"" SB - Ell Body, complete 670-2207 Gray color, also available in White. Kit includes a 2-part threaded stem and a threaded molded low profile round diffuser with gasket on the top. Air connection is made on the bottom with a 3/8in smooth Hose Barb connection at 90 degrees to the diffuser. Air Button is used as a bubbler in spa floor and seats to distribute forced air from a blower, and requires a 3/4"" hole size for mounting through the spa or tub shell.