Intex Swimming Pool Filter. Thanks to this replaceable filter cartridge, your filter pump ensures clean and clear water. The filter cartridge is made of extra thick and sturdy paper so that it filters even better. For optimal use and a longer lifespan, rinse the filter with a garden hose after each use of the filter pump and replace it every week with intensive use. Specifications: Color: white/blue Material: plastic Diameter: 9 cm Height: 10 cm Opening center: 3.3 cm The filter cartridge type H is suitable for the following Intex filter pumps: Intex filter pump 1250 liters/hour.