1. This tub filler faucet with high flow rate of 12.16GPM@60PSI which can fill up your tub in minutes. To save time and extra expense, please show your plumber the installation video under the main image on product page before installation. Please keep the user manual properly, if you need the after-sales service in any time, please contact the SUMERAIN support team. 2. Brushed nickel roman tub faucet resists corrosion and tarnishing,exceeding industry durability standards. 3. Pair this deck mount bath faucet with your new or existing roman bath tub. Designed to fit 3-hole, holes diameter: 1-1/4 inch(32mm). Recommend 8 inch centers to ensure full handle clearance. 4. Solid Brass valve body constructed with metal handles for durability. 5. Contains drip-free MS ceramic cartridge. Tested to be drip free after 600,000 uses, this bathtub faucet covered under sumerain's limited lifetime warranty.