Darlly 70506 FC-0463 FC-0491 7CH-50 PSN50-L Spa/Pool Filter Cartridge calvertengineering Waterway Crystal Water air relief

Waterway Crystal Water air relief assembly

so selecting a correct Waterway replacement can help preserve the intended performance profile

This version is especially useful when the installation depends on the timer-equipped BCS6000T-U configuration rather than a more basic control arrangement

Filter cartridge for compatible spa and pool applications

Darlly 70506 FC-0463 FC-0491 7CH-50 PSN50-L Spa/Pool Filter Cartridge calvertengineering Waterway Crystal Water air reliefThe Darlly 70506 filter cartridge is built for compatible filtration systems that require 50 square feet of media with a 1 1 2 inch MPT bottom connection. Its 7 inch diameter and 14 3 4 inch length create a balanced cartridge profile that works well in systems where threaded lower engagement is just as important as media area. A threaded bottom cartridge like this is especially useful in equipment where a standard open end filter will not seat