General description The 4 Pack Pool Filter Type A or C is designed for compatibility with various above ground pool filter pump models, ensuring efficient filtration for your pool or spa. With innovative "Dirt-Locking" technology, these filters effectively capture impurities, providing a clean and enjoyable bathing experience. Technical specifications Outer Diameter: 4 1/4" / 108mm Length: 8" / 203mm Height & Bottom Opening: 2" / 51mm Compatibility and accessories Compatible with filter pump models: 28603EG 28637EG 28635EG 28671EG 58603E 58604E 56635E 56636E 56637E 56638E Usage It is recommended to replace the pool filters every 2 weeks for optimal performance. To avoid corrosion, please remove the filter before cleaning. Other information