NEOPERL's Perlator 2.2 GPM 3/4 in.-27 regular junior female aerator is flow restricted. This aerator features an anti-clogging red dome screen that filters sediment. The Patented single piece construction is virtually unbreakable and lime resistant. Aerated stream provides a soft to the touch feel. Solid brass, lead free housing with a chrome finish. Due to state regulations this item is not available in California.