Flange, Compatible Pipe Size 1 1/2 in, Compatible with Brand Armstrong, Compatible with Grainger Part Number 32UM80, 32UM81, 32UM84, 32UM85, 32UN08, 32UN21, Compatible with Series Astro 2, For Use With Potable Systems No, Compatible with Manufacturer Model Number 110223-328, 116475-132, 116479-136A, 182202-649, 182212-610, 182212-651, Compatible with Pump Type In-Line Circulating Pumps, Flange Gasket Material Included, Flange Material Cast Iron, Includes (2) Flanges, (2) Gaskets, Bolts, Nuts