About this item CONVENIENT MAINTENANCE – A must have cartridge to the INTEX Krystal Clear Cartridge Filter Pump, this filter cartridge is made with easy-to-clean Dacron paper for the ultimate filtration FILTER PUMP COMPATIBILITY – For best use and results, the filter cartridge A by INTEX is compatible for filter pump models in of the following: 28603EG, 28637EG and 28635EG ROUTINE USAGE – For maximum efficiency and results for your above ground pool, the recommendation is to replace cartridges every two weeks for a clean and happy pool HYDROAERATION TECHNOLOGY – It's all in the bubbles; patented HydroAeration Technology by INTEX when using our filtration systems improves overall water circulation, clarity, and freshness in thousands of above ground pools SAFETY, QUALITY and VALUE – Intex designs, builds, and tests all its products to the highest standards with safety the first order of business; our affordable and innovative products are built to last › See more product details