Flange, Compatible Pipe Size 1 1/2 in, Compatible with Brand Armstrong, Compatible with Grainger Part Number 32UN04, 32UN05, 32UN13, 32UN20, Compatible with Series Astro 2, For Use With Potable Systems No, Compatible with Manufacturer Model Number 110223-305, 110223-320, 110223-322, 180203-686, Compatible with Pump Type In-Line Circulating Pumps, Flange Gasket Material Included, Flange Material Cast Iron, Includes (2) Flanges, (2) Gaskets, Bolts, Nuts, Maximum Ambient Temperature 230 Degrees F. This item has been restricted from sale in the following state (s): []