Large Area Sump And Grate 18" X 36" X 28" (Specify Adapter / Coupling)
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Large Area Sump And Grate 18" X 36" X 28" (Specify Adapter / Coupling)

Item Number: NN8362850

Lawson Aquatics offers standard-size fiberglass main drain sumps with unblockable PVC grating for areas 18" × 36" and larger. Each 18" × 18" grate offers a 54% open area with the highest flow rate of 1040 GPM (SuperFlow™). Dual plumbing connection are configured and customized to your piping schematics. Connections can either be threaded, flanged or couplings. Strong fastening system for safety.

  • Dimensions: 18" × 36" × 28"
  • Floor GPM: 2080
  • Wall GPM: 1496
  • Open Area: 343.44 square inches

Lawson Aquatics item number: FI-SG-1836-28


This item ships by Truck. Additional charges will apply if the following services are required:
  • Shipment to a residential or military base address (charge varies, approximately $40 to $100)
  • Shipment requiring inside delivery or a lift gate (charge varies, approximately $75 to $125)
  • Expedited Service
Please specify during the checkout process in the Comment/Note section if you will need any additional services (such as those listed above) upon delivery. You will be contacted for approval prior to processing your order if any additional charges apply.
  • Contact us for pricing

  • Availability: Contact us for availability information