Neptune Benson SuperFlow 18" Main Drain Grate (816 GPM, 2-Pack, MLD-FGD-1818-2W)
This is an 18 x 18 inch 816 GPM replacement Main Drain Grate Only. This comes as a pack of two. The domed SuperFlow main drain grating is unique since it can maintain a flow rate of 816 GPM (18 x 18 inches). Includes grate (cover only) and screws. ASME-2007 and NSF Listed.
Features:
- Open Area: 183.06 square inches
- Flow Rate Wall: 712 GPM
- Flow Rate Floor: 816 GPM
- 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
Specifications:
- Brand: Neptune Benson
- Shipping Dimensions: 20 x 20 x 7 inch
- Cover Open Area: 183.06 square inch
- Cover Shape: Square
- Weight: 20 pounds
- Floor Flow Rate Measure A: 816 gal/min
- Standards Approvals: NSF Certified, ANSI Certified, APSP Certified, ASME Certified
- Wall Flow Rate Measure A: 712 gal/min
- Commercial, Residential, or Professional: Commercial
Free Shipping: In-stock items ship within 1–2 business days. Please refer to our shipping policy for full details.
Warranty Information & Support: Visit our warranty page or refer to the specific product user manual.
Disclaimer: Professional installation (not included) is required for warranty validation.
Please Note: Images are for representation.