【DURABLE MATERIAL】Our faucet aerators are made of stainless steel and copper, ABS filter, with fine workmanship and polished surface, not easy to rust and have a longer service life. The silicone seal of high quality prevents water leakage. 【WATER SAVING】The faucet aerator can mix the water and the air passing through it, so that the water flow has the effect to foam. With the addition of air, the water consumption can be effectively reduced, and the water saving is about 50%. 【Anti-SPLATTER AND FILTRATION】After mixing with the air, the water flow is smooth, the water column is vertical, splashing and noise are reduced; the multi-layer filter screen can filter out most impurities from sediment and large particles, allowing you to drink healthier water. 【EASY INSTALLATION】Wrench and gasket are included, it you just need to install the faucet filter fitting on the water outlet and tighten it. Make your installation safer and faster! 【APPLICATION】This thread of our replacement vent valve