Product dimensions - Type II swimming pool filter cartridges. Height: 136mm - Outer Diameter: 106mm - Inner Diameter: 52mm. Compatible with Bestway II size 2 filters. Please check pump model before purchase. Filter cartridges compatible with Bestway (530 gall/hour, 2006 l/h) and 58386 (800 gall/hour, 3028 l/h), 58117 (800 gall/hour, 3028 l/h), 58386GS (800 gall/hour, 3.0288.5 L/hr), 5 Water Pump 8094. Foldable design. Foldable design increases filter surface area and extends filter life. Top quality material. Using polyester fiber fabric, fine filtration, strong dirt absorption capacity. Easy to clean Easy to clean if necessary, ideal for use in the pool. Replace the filter cartridge every two weeks with a new one for best results. Rigid plastic packaging Rigid plastic packaging to maintain the stability of the product, so that the product does not easily deform or scatter during transport. This filter cartridge removes dirt and grime from your above ground pool so the pump can fill