WHIRLWIND USA for Bestway Type I Pool Filter Cartridge, Spa Filter Cartridge Replacement Hot Tub Filter Cartridge for Bestway Type I, P53RX0330000 and P53FX0330000 Above Ground Filter Pump 4PCS

Type I filter cartridges for Bestway hot tub filter: The hot tub filter suitable for Bestway Type I, P53RX0330000 and P53FX0330000. Description: Ultra-fine and heavy-duty filter paper captures and holds onto fine dirt and sand. which provides high capacity of decontamination. Durable and Stable pool Filter and center pole and end closure are tightly glued together,which confirms closeness. strong spa filter is made of superior material Brilliant non-woven fabrics, which has good physical properties and resistance to high temperature. Folding Design Pool filter elements are made unique trilobal filtration fabric structure, durable and practical dacron material which could make the filter cartridge achieve reusable.   specification Material: ABS polyester paper Item color: blue, white Size: Inner diameter?1.1inches. Outer diameter: 3.1 inches;  Total height: 3.5 inches. Compatible: The hot tub filter cartridge Works for Bestway Type I, P53RX0330000 and P53FX0330000.   Notice: 1. The replacement frequency is recommended once every two weeks, the time of replacing the filter element varies with water quantity, water quality, and water pressure. 2. Please do not let over 50 warm water pass through the filter element. 3. Please use water that meets the standard of tap water as raw water. 4.Please confirm whether the size is what you need before ordering!