Using this Brizo Allaria tub filler trim kit is easy. First, install it following the 2 - hole 8 - inch installation design which fits many plumbing setups. Once installed, turn the twist lever handles to control the water flow. The 9 - inch spout reach ensures water flows comfortably into your tub. The handshower with a 1.75 - gallon - per - minute flow rate at 80 psi gives you an efficient shower experience. You can stretch the 60 - to 82 - inch metal hose to reach different areas easily. Remember, this product has a WaterSense - labeled handshower, so you can save water without sacrificing performance. As for maintenance, since it's made of durable brass, it's built to last. But do wash your hands after installing or removing it because it can expose you to Lead. If you're in California, be aware of the Prop 65 warning and visit www.P65Warnings.ca.gov for more details.