3 INHome / Backflow Accessories / Air Gaps / Watts / 3 INFilter your Results SizeAll 1 1/2 IN 11/4 IN 2 IN 3 INFind PartsClear FiltersSKU: W 909-AGF-AIR GAPWATTS 909AGF AIR GAP FOR 1 1/4" - 2" 009M1 / 2" 009M2 / 1 1/4" - 3" 009 / 909 / 4" - 6" 990$227.21Add to CartSign In for Contractor Price