Prevent Water Hammer: This pressure balance valve has built-in two check valves to effectively eliminate water hammer noise. Pressure balance valve's cartridge monitors water pressure balance, helping to protect you from being scalded by sudden changes in hot or cold water pressure. Install with Confidence: SR SUN RISE Shower System has cUPC Certification and compliance with the following standard(s): ASME A112.18.1-2018/CSA B125.1-18. Designed for use with standard 1/2" U.S. plumbing connections. Approved by the California Energy Commission. Ultimate High Pressure Shower: Thanks to the ultra-thin design of the rain shower, even in a low water pressure environment, when the water flows out after being squeezed through the ultra-small space, it can also achieve a high water pressure rain shower experience. Satisfaction Support: 10 Years Support, any product quality problem can be solved and shower cartridge is permanently replaced. SR SUN RISE always stand by each consumers. Please feel free to contact us if any question, we will respond within 24 hours. Extra Long Shower Hose: Flexible, explosion-proof and anti-kink. 71 Inch Extra long hose can reach the corners of the bathroom, eliminating cleaning blind spots. Brushed Nickel Finish: Anti-fingerprint, and it has passed the Salt Spray Test. Maintains original gloss even in wet bathroom environments. Brushed nickel offers a sleek and modern look for bathroom and walk shower, and ensuring corrosion resistance and durable. Modern Shower Design: With a knob and a handle, you have full control of this shower system.Just a simple turning, then can easily switch between the rain shower and hand shower. Single lever handle for ease of temperature and flow control. Air Energy Technology: Offer consistent powerful rain shower even under low water pressure. New house bathroom renovation can be used as gift to send friends and family. You Will Get: 12 Inch Rain Shower Head(304 Stainless Steel), L-Style Hand Shower(Solid Brass), 12 Inch ceiling mounted shower arm(304 Stainless Steel), Rough-in Valve and Trims(Solid Brass), Shower Bracket(Solid Brass), 71 Inch Shower Hose(304 Stainless Steel) and Accessories Required for Installation.