Pleatco PWK35B Spa/Pool Filter Cartridge coverlifts The 5-point scallop face gives

The 5-point scallop face gives this Waterway internal a more sculpted look than a smooth insert

That helps restore shutoff capability without broader plumbing redesign

Choosing the right system helps avoid mismatch between control capability and equipment demands

thread style

Pleatco PWK35B Spa/Pool Filter Cartridge coverlifts The 5-point scallop face givesA replacement filter cartridge helps capture suspended debris in a compatible spa or pool system, and this Pleatco version uses the PWK35B reference. Filter cartridges are useful because they help maintain cleaner water while supporting the overall performance and protection of the filtration and circulation equipment. This cartridge has practical value because replacing the filter element is often the simplest way to restore water cleaning