PRODUCT: Zurn 50453-16 Flat Round Drain Grate, Cast Iron, 11-3/16" OD x 1-1/4" rim thickness. 3/8" x 9-1/2" of slots with 33 sq.in. open grate area. Fits Zurn Z505/Z509/Z512 drains. Price/Each. (aka # P509)
APPLICATION: Replacement Grate that fits Z505, Z509, Z512 drains. See Data Sheet Page one for drawing and dimensions.