We offer flow restrictor which help to save water and control water flow resulting in water savings of over 60%. Flow regulator / Constant flow (1/2") with an "integral swivel connector" Flow regulator - Product characteristics * Reduces energy costs and unnecessary water usage: Uses approx. 6.5 liters/min (based on average water pressure) * Ideal for buildings with unstable/different pressure ratios * Constant flow shower comfort, regardless of the water pressure * Rotary joint swivel connector provides optimal comfort while protecting the shower hose * Easy installation without twisting or kinking the shower hose * Compatible with all common bath and shower faucet sets with a 1/2" connection * Engraving available at an extra charge (when ordering more than 1,000). * Polished and chromed brass . Packaging to your individual convenience.