1. [Lifetime Service & 15-Year Warranty]Free replacement is available. Any problems with the quality, pls us ly and we will respond within 7 hours. (Note: To prevent leakage due to not being tightened, pls tighten it with a wrench tool. After the installation, pls adjust the Water Flow Regulator to the MAX position). 2. [All Metal Design & ]Psylc Shower Head Combo is made of all metal - brass and 304# stainless steel for the three times rust resistance and longevity than ABS. Ultra-thin rain shower head design and advanced air booster technology a superior rain spray shower experience even at low water flow and pressure. Install in minutes with just three hand-tighten connections, no need to call a plumber. 3. [Upgrade 10-Inch Large Rainfall Shower Head Combo]Large square rain shower head with handheld spray which provides a waterfall full-body coverage. More than 120 closely grouped self-clean silicone nozzles prevent lime and hard water build up. Come with an extra filter and washer to ensure a reliable leak-proof connection. 4. [All Metal 3-Way Diverter & Humanized Adjustable Extension Arm]Metal Diverter With Built-In Bracket - PSYLC'S PATENTED DESIGN. Made of solid brass, the 11-inch extension shower arm has stronger corrosion resistance than others (zinc alloy). No worry about breaking or leaking. 360° rotation angle and height-adjustable to meet different angle position shower needs. Suitable for both adults, or babies.