Nature2 In Ground Mineral Cartridge Replacement G35<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement mineral cartridge for all G35 vessels， excluding Limited vessels</li><li>Destroys bacteria and controls algae using natural minerals</li><li>Reduces potential for stinging eyes， skin irritation， and unpleasant odors; helps stabilize pH levels</li><li>Will not harm pool equipment or stain pool</li><li>6 month GUARANTEE， Kills bacteria， controls algae</li><li>Family</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31MTBlHoRkL.jpg" noproxy>