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18 inch Retro For Pentair Old Style 18 inch Drain 816 GPM (Package of 2)
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Item #: MLD-FGD-1818-WT-2
$510.26 & FREE Shipping
Ships In 3-5 Days

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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 816 GPM (18 x 18 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).
  • Ten-year warranty.

    Open Area: 183.06 square inches.
    Flow Rate Wall: 712.
    Flow Rate Floor: 816.

    Click Here for Certificate of Compliance and Diagram!

  • MLD-FGD-1212-I.jpg
    12 inch Retro For Pentair Old Style 12 inch Drain 365 GPM (Package of 2) Item: #MLD-FGD-1212-WT-2 Ships In 3-5 Days More Info

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