Waterway 12" x 12" Grate & Frame, Square, Gray | 640-4727 V Pool Floats & Inflatable Ride-Ons this cartridge is engineered to

this cartridge is engineered to exact OEM dimensional tolerances — fitting Intex Krystal Clear pumps

By filtering at the point of entry

The Century A

Acid & base demand

Run the filter often and for complete results within 10 days

Waterway 12" x 12" Grate & Frame, Square, Gray | 640-4727 V Pool Floats & Inflatable Ride-Ons this cartridge is engineered toWaterway 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.