To clean, simply remove the strainer and rinse it off under the water.Materials: plastic+stainless steelProduct Weight: 28g2 Position Head - by pulling the chrome plated head, the gentle aerator spray becomes a powerful jet. A fine, built-in dirt strainer captures sand and dirt particles.Fits all standard taps with M22 external thread and internal thread M24 - gasket included Features: Save energy: Water saving 30%~70% (compared with standard bubbler) Increase the water pressure: Prevent water flowed, and the air is mixed with water is good,the water feels soft,enhanced water momentum,cleaning more convenient.Size : Approx.62mm/2.44inch(L)x36mm/1.41inch(bottom dia.)x21.5mm/0.85inch(top inner dia.) mmadapter outer dia.:21.5mm /0.85inch.