Waterway 12" x 12" Grate & Frame, Square, Gray | 640-4727 V Pool Floats & Inflatable Ride-Ons Run the filter often and

Run the filter often and for complete results within 10 days

By filtering at the point of entry

This is by design and ensures correct orientation on your housing standpipe

220132 — Nordic Hot Tubs — — Models manufactured before July 1999 only Thermo Spas of Connecticut — — — (This is not an exhaustive list

Waterway 12" x 12" Grate & Frame, Square, Gray | 640-4727 V Pool Floats & Inflatable Ride-Ons Run the filter often andWaterway grates and frames are compliant with the virginia graeme baker pool and spa safety act (ASME ANSI A112. 19. 8 2007) and are UL certified. They are designed for single or multiple drain use. This grate assembly includes frame and stainless steel screws. Packed 6 per case. Features and Benefits: Total open area: 62. 4 sq. In Frame size: 13. 250" x 13. 250" Floor flow rate: 356 GPM, 4" plumbing Wall flow rate: 280 GPM, 4" plumbing Flow rate @ 1.