Stark 6 Inch 3-Way Backwash Valve Without Flanges - Gray filter-length_16 1/8 inches This is a Pentair 359507

This is a Pentair 359507 Black Plastic Pot Assembly with Basket for the Challenger High Pressure and High Flow Pool Pumps

This is a 7

This is a Taylor Alkalinity Standard 100 parts per million (ppm) replacement reagent for various Taylor pool water testing kits

IntelliFloXF Variable Speed and WhisperFloXF Pumps

The tread is constructed of 304 stainless steel and is sold without hardware

Stark 6 Inch 3-Way Backwash Valve Without Flanges - Gray filter-length_16 1/8 inches This is a Pentair 359507This is a Paragon Stark 6 Inch 3 Way Backwash Valve without Flanges in Gray. The Stark valves are designed specifically for the Paragon Pentair Stark Series Commercial Sand Filters. These backwash valves are corrosion resistant and available in 2 way and 3 way models as well as various sizes.