6 Pack Type S1 Spa Filter Replacement for Intex PureSpa - Washable Reusable Foam Sponge Cartridges - Bio-Foam Hot Tub & Swimming Pool Filter Cleaner Compatible with Intex 29001E (Blue)

["Perfect Compatibility for Type S1: Designed specifically to be compatible with Intex PureSpa models (including 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, 28413E, and 28453E). These foam sponges are the ideal replacement for the Intex 29001E Type S1 paper cartridges.","Save Costs & Reusable Design: Stop throwing away money on disposable paper filters! Our washable foam filter sponges are durable and can be cleaned and reused multiple times. One foam filter can outlast several paper cartridges, significantly reducing your seasonal maintenance costs.","Efficient Water Filtration: Crafted from premium high-density PU sponge material, these filters effectively trap debris, hair, and fine particles keeping your spa water crystal clean. The porous structure ensures proper water flow without clogging the pump system.","Easy to Clean & Maintain: Maintenance is a breeze—simply remove the sponge and rinse it thoroughly with water (suggestion: clean once a week). The flexible foam material is easy to scrub and reinstall, ensuring your hot tub is always ready for relaxation.","Long-Lasting Service Life: This 6-pack value set provides long-term protection for your filtration system. Unlike paper filters that tear easily, these durable foam sponges maintain their shape and filtration efficiency over extended use. (Note: It is recommended to replace the foam filter every 2 months depending on usage)."]