Flange, Compatible Pipe Size 3/4 in, Compatible with Brand Armstrong, Compatible with Grainger Part Number 32UN06, 32UN07, 32UN10, 32UN11, Compatible with Series Astro 2, For Use With Potable Systems Yes, Compatible with Manufacturer Model Number 110223-306, 110223-308, 110223-321, 110223-323, Compatible with Pump Type In-Line Circulating Pumps, Flange Gasket Material Included, Flange Material Lead Free Bronze, Includes (2) Flanges, (2) Gaskets, Bolts, Nuts