Independently tested and proven by the National Sanitation Foundation (NSF), Genuine Hayward TurboCells have been reliably delivering chlorine to pools and spas for nearly two decades. The world’s #1 salt chlorination cell produces soft, silky water that won’t turn eyes red, and is the best value - saving pool owners 50% or more over conventional chlorine costs. Other replacement cells offer significantly less life and less chlorine. To get the most of salt chlorination, at the best possible price, use only Genuine Hayward TurboCells. Right-sized salt chlorination. TurboCells are available in three sizes - 40,000, 25,000 and 15,000 gallons. The three sizes enable you to right-size your salt chlorinator for the most efficient, cost-effective chlorination possible. The Extended Life TurboCell offers the same superior salt chlorination expected of Hayward, but produces 25% more chlorine over its lifetime than our industry-leading TurboCells. Available in 40,000- and 25,000-gallon models, The Extended Life TurboCell cuts chlorine costs by 50% or more to less than $1 per pound, and comes with an industry best 4-year warranty. Enjoy your investment longer with Hayward's Extended Life TurboCell.