Package includes: 10 faucet aerators, 10 washers, and 1 installation key. Aerator dimensions: outer diameter 23.6mm, height 13mm, thread size M24. This aerator fits faucets with an internal thread of 24mm. Compatible with standard thread sizes M20, M22, M24, and M28.High-quality construction: Chrome-plated brass body with an ABS filter core. Non-toxic, rust-resistant, durable, and built to last.Efficient performance: Reduces water flow noise and helps conserve water. Infuses air into the water stream to minimize splashing and provide a soft, even flow. Effectively filters out sediment and impurities.Universal fit: Designed for use on kitchen sinks, bathroom faucets, and other standard tap types. Ideal for regulating water flow at various fixtures.Easy to install: No special tools required. Simply screw on by hand or use the included wrench for a secure fit. The provided installation key ensures quick and hassle-free setup.Material: Chrome-plated brass housing with ABS filter. Thread type: External M24. Fits faucets with internal M24 threading. Water-saving design creates a smooth, aerated stream for comfortable use. The internal filter can be removed for cleaning. Suitable for potable water systems. Rubber gaskets included for a leak-proof seal. Note: Measurements are manually taken; slight variations may occur. Color may vary slightly due to lighting and screen settings. Refer to the actual product for final details.