cUPC Certified Pressure Balance Cartridge: The advanced pressure balance ceramic disc cartridge with cUPC certification can prevent scald injury caused by sudden changes in hot or cold water pressure. If inlet water temperature changes seasonally, please follow included instructions to readjust the temperature limit stop. The recommended water temperature for the bath or shower is between 90°F - 110°F. Waterfall Tub Spout: This tub shower faucet set features a widespread waterfall tub faucet with large water flow (no less than 5 GPM). This tub spout can fill a common tub (about 53 gallons, 1/2 full) within 8 minutes. Preventing Water Hammer: This shower valve body is made of one-piece solid brass, ensuring quality and longevity. Furthermore, the shower valve comes with an extra function of preventing water-hammer, protects your piping system, and runs quieter, which brings you a comfortable shower experience that seems like under the natural raindrop. 10-Inch Large Shower Head: Enjoying a luxurious and powerful shower with this 10" Ultra-Thin square rain shower head which is made of durable SUS304 stainless steel and has an elegant appearance. Besides, this rain shower head equips with easy-to-clean silicone spray nozzles, allows you to easily wipe away mineral build-up. Extra-Long Straight Shower Arm: With the combination of the extra-long wall mounted shower arm (Length: 15.7") and 10" Ultra-Thin rainfall shower head, you don't need to worry about tight bathing space anymore! Moreover, the overhead shower features a brass swivel ball connection, allowing you to adjust any angle of the shower head after installation. Shower angle can be easily adjusted to accommodate both kids and adults, providing perfect shower experience for every family member.