Hayward W3SAS-CELL Salt and Swim 3C Salt Chlorine Generator Cell 30K gal is Hayward’s entry level, DIY user friendly salt chlorinator that delivers the 3Cs of salt chlorination - comfort, convenience, and cost saving. Provides the comfort of silky soft water, that wont turn eyes red. It’s a more natural approach to chlorination which also eliminates the harsh odor associated with factory-produced chlorine.