WantBa 2.0 to 2.5 GPM 8 Setting Water Saving Handheld Shower Head Rain Massage Low Flow High Pressure Surface is 3.5 inches, 2.0 to 2.5 GPM flow control, fits standard U.S. plumbing connections 8-Spray:Hose, Massage, Energy Saving. Rainfall, Heavy Rain, Mist, Waterfall, Pause. Included 2 types of filter: 2.0 GPM Water Saving Filter and 2.5 GPM Standard Filter Offer consistent powerful spray performance,Even under low flow to get enough water to take a shower Resolved low water flow rate problem, and SAVE MONEY in choosing water saving filter.