550-4407 | Waterway Tank Bottom For Crystal Water Cartridge Filters | 550-4400 Polaris 180 Bottom maintaining correct spacing and proper

maintaining correct spacing and proper filtration flow

add an initial dose of 11 to 17 fluid ounces of this product per 10

(2) Union Connectors

64% larger core openings

fits hayward pool vac and navigator pro units

550-4407 | Waterway Tank Bottom For Crystal Water Cartridge Filters | 550-4400 Polaris 180 Bottom maintaining correct spacing and properOEM Waterway Tank Bottom 550 4407 is a direct replacement base designed for Crystal Water Cartridge Filters, ensuring structural integrity and continued filtration efficiency. This tank bottom is engineered to fit both new and old style filter heads without modification, simplifying the installation process. Built from rugged, chemical resistant materials, it endures high pressure environments and long term exposure to pool chemicals. Replacing a