Beautiful and Effective Water Seal Designed with a widened sealing surface for the water outlet to ensure contact with the gasket of your shower head. Achieves up to 95% reliable water sealing for most standard shower heads without the need for teflon tape, keeping your bathroom looking clean and from tape residue. Leak Connection Features a 1/2 inch NPT inlet and a 1/2 inch IPS outlet, compatible with most US shower heads and plumbing systems. Precisionengineered threads deliver a secure, leak fit for your filtered shower head. Durable and Safe Material Constructed from marinegrade brass with more than twice the strength of ordinary metals. resistance to acids, alkalis, and saltwater for lasting performance. Longterm corrosion protection prevents rust buildup and blockage, ideal for hard water and hot spring water environments. Elegant Brushed Nickel Finish Attractive brushed nickel surface complements a modern bathroom style. Resists corrosion, scratches, and tarnishing for longlasting beauty and performance. Ideal Use Scenarios 1. for bathrooms in areas with hard water, where corrosion and mineral buildup are common. 2. for spa or hot spring installations, where water chemistry demands resistance to rust and corrosion. 3. Suitable for homeowners upgrading or replacing shower head connections without compromising aesthetics or requiring messy sealing tapes. Specifications Inlet: 1/2 inch NPT Outlet: 1/2 inch IPS Material: Marinegrade brass Finish: Brushed nickel Compatible with most USstandard shower heads and plumbing systems