General description The vhbw 2x Filter Cartridge Type S1 is an efficient replacement filter designed for 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. Its pleated fabric construction provides high strength and reliable dirt collection, while the precision-fit design allows for quick attachment and a secure hold in the filter housing. 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 models: 28403E, 28407E, 28413E, 28421E Replacement for Intex 29011, S1 Installation Easy installation with precision-fit design for secure attachment in filter housing. Usage To clean the filter, simply spray it with a garden hose.