Strictly select Huangpu material, use environmentally friendly materials and gravity die-casting. water discharge, built-in filter screen, efficient water saving, soft water outlet and splash prevention. wear adopts imported ceramic coil, which is durable and has a long service life.Product features: all copper materialMain Material: BrassForming Process: Gravity CastingSurface Process: multi-layer electroplating processInstructions: Sink Kitchen faucetInstallation opening: installation hole diameter 3.5 cm Daily faucet care tips:1. When installing a faucet in a new home, you must first flush the impurities of sand and gravel in the pipeline with water. Not to block water.2. High-end faucets should be installed by experienced and qualified professionals. During installation, the faucet should not collide with hard objects and should not touch cement, glue, paint and other worn, corroded or surface corroded items. tap.3. After prolonged use of the faucet, the water flow may decrease. You can use a special tool to unscrew the bubbler, clean the filter screen, and then reinstall it carefully. 4. It is especially important to open and close slightly. Careless and deliberately violent behavior may damage the seal of the faucet and cause malfunction.5. The faucet should always be wiped clean. with soft cotton and water to ensure that the faucet is shiny, try not to clean it with detergent, and never use a corrosive acid-base solution.