ANNOUNCING the next Generation in pool water maintenance! Intex's new Krystal Clear™ Chlorine Generator allows pool owners to eliminate the costly, confusing, dangerous, and repetitive use of added chemicals forever! No more red, burning eyes, faded clothes, and pool liners! Simply hook the Krystal Clear™ Chlorine Generator into the pool's water flow as directed, add the specified amount of salt, and the new Intex Krystal Clear™ Chlorine Generator will do the rest! The pool's water IS converted to an effective algaecide - and since salt doesn't evaporate or dissipate as chlorine does, the constant addition of chemicals is a thing of the post! There is nothing like swimming in a pool treated with on Intex Krystal Clear™ Chlorine Generator: incredibly clean, crystal clear, and fresh! And amazingly easy to maintain! You have to experience it to believe it! Heavy-duty Krystal Clear™ Chlorine Generator easily hooks into most above ground filter pump systems. Includes hose attachments and electrical cord Self-cleaning titanium coated electrolytic cell for continued performance Touch-sensitive control panel allows user to pre-program operating hours Flow sensor system alerts operator to adverse operating conditions Keypad locking system ensures settings are not changed accidentally Easy to use test strips (50 count) included to check performance Shelf box