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12 inch Retro For Pentair Old Style 12 inch Drain 365 GPM (Package of 2) Item: MLD-FGD-1212-WT-2
$370.17 & FREE Shipping

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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.

Features and Specifications:

  • 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).
  • Ten-year warranty.
  • Open Area: 81.30 square inches.
  • Flow Rate Wall: 340.
  • Flow Rate Floor: 365.


18 Inch By 18 Inch Main Drain Grate Only 816 GPM (Package of 2) Item: #MLD-FGD-1818-2W