makes water gentler on skin for a soothing

Intex PureSpa Portable Jet Massage Hot Tub provides simple maintenance with two easy-to-replace filter cartridges for clean refreshing spa water, and the built-in hard water treatment system makes water gentler on skin for a soothing experience. Also featured is a saltwater sanitation combo system gives the added benefit of spa water that is soft and gentle without harsh packaged chemicals