Waterway Skim Filter #817-0010, Coast Spa

The ProAqua hot tub filter PA-1410 is a compatible for the Pleatco PWW10, Unicel C-4310 and Filbur FC-3077. This ProAqua filter cartridge is built to last, with durable materials that can withstand regular use and exposure to balanced hot tub chemicals. To ensure a perfect fit, be sure to compare the dimensions of this filter cartridge to your old one before purchasing. Details: Diameter: 4 1/4" Single filter Length: 4" Top Hole: 2 1/16" Bottom Hole: 2 1/16" Brand: ProAqua ProAqua Filter Cartridges Hot tub filtration requirements are different from those of a pool. ProAqua filter cartridges have open-flow cores that improve filtration by utilizing all of the point-bonded filter fabric. They're also energy-efficient and eco-friendly, saving energy and money.