HIGH PERFORMANCE FILTRATION MADE IN FRANCE: The spa filter effectively captures impurities such as dust, fine sand, pollen, hair, organic debris, sunscreen or oil residue, silt, algae, and limescale. TYPE S1 AND TYPE VI FILTER COMPATIBILITY: This foam filter is compatible with Intex Type S1 and Bestway Type VI spas. BETTER THAN STANDARD FILTERS: This spa filter foam is made of premium Bulpren S30 polyurethane. With material three times denser than standard filter cartridges, the foam filter captures many more particles to ensure cleaner water for longer. MORE EFFECTIVE THAN OTHER FOAM FILTERS: Bulpren's cell density has been specifically designed to create enough space for particles to penetrate the material. This way, the filter captures more particles for longer. Maintains cleaner water and requires less maintenance for your spa foam filter. WASHABLE, REUSABLE AND RESISTANT: Our spa filter is cleaned with a simple jet of water. More economical and practical than traditional