[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. high quality prevents water leakage. [WATER SAVING]The faucet aerator can mix water and air flowing through it, so that the flow of water 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 FILTERING]After mixing with the air, the water flow is gentle, the water column is vertical, splashing and noise are reduced; the multi-layered 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 is designed externally, thread size - M24, outer diameter - 23.7mm and the height -12 mm. It fits a 24mm internal thread tap. Ideal for high pressure taps in kitchens or bathrooms. Colour: silver Size: 2.4*1.2 cm. Book quantity: 10 pieces