1. The anodic oxidation surface improve corrosion resistance, enhance wear resistance and hardness, protect the metal surface, and have good insulation performance. Also makes the tap looks elegant ,the bright color can maintain for a long time. 2..Guarantee:Brass Construction: Durable. Easy to clean. Ideal for prolonged contact with water.Assures a lifetime of smooth handle operation ,drip-free performance. 3..This mixer tap has an inner surface coated with ceramic disc cartridge which makes it more durable than other sinks. It also has the ability to save water and prevent clogging 4.Wide Variety of Kitchen and Bathroom Taps.Easy to install it: come with the detailed instruction and flexible pipe connectors 5.WARRANTY: We can provide Quality Warranty. If there is any quality problem, please contact our seller service; we will help guests to solve all the quality problems. Absolute ZERO risk of this shopping.