Great saving on chlorine. Original price: $95 paid for the cartridge only. All hoses included Never used brand new. Above ground pool use, did not have room for extra filter. Comes with everything in photos *Nature2 a30 cartridge mineral filter* Best offer needs to go About product: Nature2's patented technology uses minerals to kill bacteria and control algae for up to six months. This process of reducing bacteria and algae also decreases the amount of harsh chemicals used to keep your pool water balanced. In fact, using by Nature2 you can reduce the level of chlorine to just 0.5 ppm (1/2 part per million)