Harmsco ST/6 Spa Filter Cartridge - 6 Square Feet filter-length_16 1/9 inches The K-1826 Kit tests for

The K-1826 Kit tests for Hydrogen Peroxide using a drop test system and iodometric 3/4 oz

these PVC wafer style valves have excellent flow characteristics and provide a clear indication of disc position

040 mil Styrene Plastic and is designed to designate a that specific lane is closed

They can be easily installed in a few seconds with no tools or rewiring required

Leave sign blank or have us custom print Name of Certified Pool and Spa Operator and their State Certificate Number at no extra charge

Harmsco ST/6 Spa Filter Cartridge - 6 Square Feet filter-length_16 1/9 inches The K-1826 Kit tests forThis is a Harmsco SuperTuf Replacement Filter Cartridge for Betterfilter Cartridge Filters. This filter has 6 square feet of filter area. Harmsco SuperTuf Polyester Plus cartridges offer superior water clarity, polish, and sparkle for your swimming pool water. Heres why: Polyester Plus, a technical media exclusive to Harmsco, Inc., filters from 20 microns down to between 3 5 microns. This offers you the finest filtration available as fine as