Kingston Brass Gourmetier CCRP1K8SPR Vintage Kitchen Faucet Sprayer, Brushed Nickel High quality brass construction Easy to clean spray face to resist mineral build-up Fits all kitchen faucets with 5/16" spray outlet Max 1.8 GPM/6.8 LPM Water Flow Rate At 60 PSI (ASME standard) Compliant with California Energy Commission Title 20