Waterway, Rainbow, Sundance

Filter For PRB50, C-4950 3 PK Compatible replacement hot tub filter value pack of three (3) cartridges for Pleatco PRB50, Unicel C-4950 and Filbur FC-2390. The ProAqua hot tub filters are 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. Filter details: ProAqua P/N: PA-1450 Brand: ProAqua Value pack of 3 filters Diameter: 5.0" Length: 13 5/16" Top Hole: 2 1/8" Bottom Hole: 2 1/8" 50 sq. ft Tips: Keep spare filters on hand. When changing hot tub water, always rotate the soiled ones out with a clean and dry spare. The result is longer filter life and no waiting. 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.