Dual setting Faucet Aerator
Water saving 0.5GPM 1.0GPM 2.0GPM is available;
15/16*27 male threads
55/64*27 female threads

Dual setting Faucet Aerator
Water saving

0.5GPM 1.0GPM 2.0GPM is available for people option;

Installation standard:

15/16*27 male threads
55/64*27 female threads