Pleatco PH5.9 Spa/Pool Filter Cartridge vacalert The CMP Spectrum Prime 400

The CMP Spectrum Prime 400 jet internal is designed for compatible spa jet applications where a 4 inch directional smooth-face internal needs replacement

or cosmetically degraded original fitting

The 5 micron carbon block design gives this filter its practical value because it combines fine filtration with carbon-based treatment in one format

and ten 1/2 inch socket branch ports

and refreshed appearance in a more neutral tone

Pleatco PH5.9 Spa/Pool Filter Cartridge vacalert The CMP Spectrum Prime 400A replacement filter cartridge helps trap suspended debris in a compatible spa or pool filtration system, and this Pleatco version uses the PH5. 9 reference. Filter cartridges are useful because they help maintain cleaner water while supporting proper circulation and protecting downstream equipment from excessive particulate buildup. This cartridge has practical value because replacing the filter element is often the most direct way to restore