For Bestway Filter Cartus Size 6 Swimming Pool Filter Cartridge -58323 High 78mm (3.1 inch), outer diameter 105mm (4.1 inch), inner diameter 52mm (2 inch) for Bestway VI Filter Size 6.Please confirm the pump model before purchasing. The opening is poured, with high strength, thickening of the filter membrane and stronger suction effect. High quality and durable polyester paper can hold many small things. It is also easy to clean or maintain the filter, which can reuse the spa filter The massage pool filter is made of easy-cleaning and durable polyester paper. Dirt can be easily washed off. Pool Filter Cartridge prevents secondary contamination. Removes dirt from swimming pools and whirlpools to keep water clean with less water. The pool filter element can be decomposed and cleaned, and it is recommended to expect it every two weeks to maintain the best cleaning effect of the pool. Equipped with a high-length filter cloth, which maintains its strength even when the sediment is