1-mode drenching rainfall setting. 2.5 GPM (gallons per minute). The Drencher is a fixed mount showerhead with chrome face finish. Large drencher with rub-clean nozzles.Easy-to-install. Finish: Chrome. Lifetime warranty. No. RSD-133M: Finish: Chrome, Flow Rate: 2.5 GPM, Material: ABS, POM, Type: Pkg Qty: 1, Package Type: Clamshell Fixed Mount & Single Mode Drenching. Click here to see another Waterpik rain shower with various features.