LDR Industries 530 2110 Aerator, 15/16" x 27", Silver Male/female aerator for standard faucet spouts 15/16 inches - 55/64 inches x 27 thread High insulation value reduces sweating Cpvc fittings are rated at 400 psi at 73 degrees or 100 psi at 180 degrees fahrenheit Meets astm standard d-2846