Due to state regulations this item is not available in California. <br /> <br /> The NEOPERL PCA Perlator 2.2gpm standard flow pressure compensating insert provides a constant, non-splashing, soft to the touch, aerated stream. The anti-clogging clear dome screen filters sediment and particles and our patented lime resistant Honeycomb. <br /> Aerated stream, pressure compensating <br /> Patented single piece construction is virtually unbreakable, is lime resistant and will ensure a longer useable life <br /> Fits inside tiny male and female housings, male and female washers included <br /> ANSI/NSF 61, ASME A112.18.1M, CSA B125, AB1953, S-152 <br />