The Sprite Shower Pure Filtered Shower Handle has NSF 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. Filtered shower handles disguise their utility for an aesthetically pleasing, chlorine-free shower. Sprite's “Hand-Held” filters come with a matching hose and bracket! They can be attached to any standard 1/2-inch NPT shower arm with no extra equipment. Sprite's plastic units have a 1 year manufacturer's with proof of purchase. Please refer to the manufacturer's website for complete information and registration.