Keep your above-ground pool looking clean as ever with the Pentair Clean and Clear 150 Square Foot Replacement Pool Cartridge and Assembly. The Clean and Clear Cartridge Filter's fiberglass-reinforced, chemical resistant, polypropylene tanks are among the simplest to maintain. The easily accessible cartridge can be rinsed clean in minutes with a garden hose. Pool pros love the easy spin-on unions that provide fast hookup and servicing. With a chemical-resistant tank body and coreless cartridge, this pool cartridge is easy to clean. Pentair Aquatic Systems does not recommend flow rates above 150 GPM. Integrated Continuous High Flow Internal Air Relief is operational only when there is unobstructed flow in the circulating system. Hold your pool to the highest standards with the Pentair Clean and Clear Pool Filter Cartridge and Assembly.