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 261 GPM (9 x 9 inches). Includes grate (cover only) and screws.
Wall or floor installation.
ASME-2007 and NSF Listed.
UV and strength tested under ASME A112.19.8M.
Raised, cross-ridged profile for non-slip (and water penetration if blocked).