MJL 2005 WATER SAVING KITCHEN AERATOR UP-and -down action to change spray settings 1.ONE functions swivel spray aerator >Aerated stream 2. Dual Standard Thread 15/16*27 (M24x1)male threads 55/64*27 female threads 3. Save water rate from 30% to 85% depending on different place and requirement to adjust water flow quantity 4. Suggest to adjust for 3 4L/M Color: silver Materials: bronze, chrome plated, plastic (POM) Water pressure range: 80PSI ; 1 5kgf/CM2 easy to install