Filter cartridge VI: height: 80mm, outer diameter: 106mm, inner diameter: 52mm. Efficient Filtration: The filter element is mounted in the filter pump and collects dirt as the system passes, helps remove dirt and bacteria, and provides you with clean, fresh water.Remove Impurities: The massage pool filter is made of easy-to-clean and durable Dacron paper. Dirt is easy to wash off. This filter prevents the proliferation of bacteria and therefore secondary contamination.Easy to clean: just remove the filter from the pump and rinse off the dirt with a garden hose. Be careful not to clean roughly or use a high pressure water jet as this may damage the filter paper.Replace every two weeks: It is recommended to replace the filter element every two weeks in the summer to keep the water clean. Description Features:Easy to clean Diameter: approx. 106 mm. Height: about 80mm. Filter opening at top and bottom.Content :4x VI Swimming Pool Filter CartridgeNote: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received will prevail.