General description The vhbw 3x Filter Cartridge Type S1 is an efficient replacement filter designed for use with Intex PureSpa models 28403E, 28407E, 28413E, and 28421E. This filter ensures optimum filtration performance, effectively removing dust, hair, leaves, sand, and other debris from your inflatable pool. Technical specifications Color: White / Blue Weight: 100 g Height: approx. 7.5 cm External diameter: approx. 10.7 cm Internal diameter: approx. 4 cm Size: S1 Washable: Yes Replacement cycle: approx. every 4 weeks Compatibility and accessories Compatible with Intex PureSpa 28403E Compatible with Intex PureSpa 28407E Compatible with Intex PureSpa 28413E Compatible with Intex PureSpa 28421E Replacement for Intex 29011, S1 Installation The precision-fit design of the filter cartridge allows for quick attachment and a secure hold in the filter housing. Usage To maintain optimal performance, it is recommended to clean the filter by spraying it with a garden hose. Regular replacement