12 inch Retro SuperFlow for Pentair Old Style 12 inch Drain 365 GPM (Package of 2)

This is a 12 inch 365 GPM SuperFlow Retro for Pentair Old Style 12 inch Drain. This comes as a pack of two. Easy to replace Pentair old style grates where a frame already exists with the Retrofit SuperFlow which ASME-2007 and NSF Listed. The domed SuperFlow main drain grating is unique since it has the capability to maintain a flow rate of 365 GPM (12 x 12 inches). Includes grate (cover only) and screws.