Cerama flow hardwater ceramic disc cartridges, 2.5 GPM Max at 80 PSI, 1/2IPS/sweat Combo connections, 8Center Threaded escutcheon, ADA compliant handles will operate with less than 5 lbs. Of force. Meets ANSI/same A112. 18. 1M, ANSI A117. 1 - manufacturer: Gerber Plumbing Product Information Product Overview Flow Rate: 1.75gpmBrand: Gerber Features Includes Single Function Showerhead at 1.75gpm @ 80 psi.Cartridge Type: Includes Durable Ceramic Disc Valve for Drip-Free Performance Description Gerber offers a complete line of functional faucets for residential multi-family and light commercial use. Gerber Hardwater faucets deliver practical and consistent performance at a compelling value. With drip-free ceramic disc technology and sturdy construction Gerber Hardwater faucets install quickly and securely to get the job done right.