DUO CLEAR CARTRIDGE 35K GALLON - NC333

NC333 Duo-Clear 35,000 Gal. Replacement Cartridge (For NC337)ZODIAC® DUO-CLEAR™THE ULTIMATE SANITIZING SYSTEM COMBINESA CHLORINE GENERATOR WITH NATURE2™ MINERALIZER!If you want your pool water to be silky smooth and crystal clear with low levels of chlorine, then Dou-Clear™ is the answer! This is system combines the worldÂ's leading saltwater generator with the worldÂ's most popular mineralizer, Nature2™. Best of all, the system is totally automatic and even alerts you when the Nature2™ cartridge needs replacing.The heart of the Duo-Clear™ is the advanced saltwater generator by Zodiac®. By adding about 1 tsp. of salt per gallon to your pool water, the system produces enough chlorine to sanitize your pool. The salt in your pool is constantly being recycled and reused to produce more sanitizer. Duo-Clear™ is completely automatic and is constantly monitoring your poolÂ's demand for chlorine. You will not notice the salt in you pool and will never have to handl