The showerhead has certified performance in an ABS plastic housing. Inside the housing is a replaceable 3-month filter cartridge (model HHC) which contains Sprite's exclusive blend of filtration media for a chlorine-free shower. All-in-one showerhead disguises its utility for an aesthetically pleasing, chlorine-free shower. It can be attached to any standard 0.5" NPT shower arm with no extra equipment. It has a 1-year manufacturer's warranty with proof of purchase.