720 degree wide angle rotation The maximum angle can cover 720 degree rotation. The 720 degree rotation allows the water flow to reach every corner of the sink, making it very convenient to clean. 2 switches / 4 layers / double seals Two 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 rotation The 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 eyes Universal filter faucet 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 design The splash-proof filter faucet introduces air into the water flow, producing a larger and whiter water flow, soft to the touch and not splashing.