Product Features Include: The stems are all brass, with a double o-ring seal and rubber seat washer (for compression stems) or ceramic sealing discs (for ceramic units); The canopy handles are zinc die cast with a chrome plated finish; The 6 inch swivel spout is brass with a chrome plated finish and is fitted with a water saving aerator that limits the flow rate; The o-rings and seals are rubber; Replaceable seat