Usage Tips:720 degree wide angle rotation The maximum angle can cover 720 degree rotation. 720 degree rotation allows the water flow to reach every corner of the sink, which makes it very convenient to clean.2 switches / 4 layers / double sealsTwo types of water outlet rotary switches , oxygen-enriched foam, anti-splash water, four-layer filter to remove impurities, and double seals to prevent dripping.Smooth rotationThe design has two alloy balls, the double head can rotate, and the tap head can be adjusted to any angle. It can be used for gargling, face and eyeUniversal Filter FaucetThe dual function sink aerator is made of high quality durable materials and can be used for sink faucets, kitchen faucets kitchen, bathroom faucets, etc.Humanized DesignThe splash-proof filter faucet introduces air into the water flow, producing a larger and whiter water flow, soft to the touch and not splashing.