Never used just box open no other parts just what you see on pictures The Reverse Osmosis Faucet by ULTGRT is a high-quality drinking water faucet designed for kitchen installations. With a lead-free filtration system, this single-hole faucet is suitable for non-air gap water filtration systems. The SUS304 model features a compact design of 20L x 20W x 20H millimetres, making it easy to install with an adapter power source. This reverse osmosis faucet is ideal for households looking to improve the taste and quality of their tap water in their kitchen.
eBay