Phoenix Faucets By Valterra Flow Control Adapter Chrome. This adapter hooks up to the shower head connector and the shower hose to control the flow of water from the shower head. Reduce the water flow to a trickle or put it on the highest setting it's your choice Turn the adapter on by turning it to the left or right. Features of Phoenix Faucets PF276030 By Valterra Flow Control Adapter Chrome Showerhead water flow control conserves water Use with handheld or fixed shower heads Leak-proof performance Keep in mind that turning the flow control adapter to the right or left will not shut off the water flow completely Color: Chrome Package Contents: Phoenix Faucets PF276030 By Valterra Flow Control Adapter Chrome Phoenix Faucets PF276030: By Valterra Flow Control Adapter Chrome