Designed by a pool & spa owner for pool & spa owners! Handy on/off switch saves water & fussing. Comfortable ergonomic hand grip. 100% quality guarantee! For use with ANY SIZE filter cartridge! Does not damage catridge filters as compared to other products on the market. Manufactured from 100% aluminum Filter Flosser provides 7x more cleaning area than just a hose alone. Reduces cleaning time by 50% Reduces the environmental impact by reducing water usage by 50% + Ergonomic design Provides better water quality and filtration by maintaining filter cleanliness. Reduces cartridge filter replacement through proper maintenance as per OEM Performance testing shows that Filter Flosser had a greater GPM (gallons per minute) than all other units tested A durable well made product with more longevity as compared to other products made of a lesser quality plastic.