A. Standard size universal faucet filter tank aerator for men and women in bathrooms and kitchen sinks. Inner thread diameter 24 mm (15/16" external thread). Inner thread diameter 22 mm (55/64" internal thread). Please check your bubbler size before purchasing. B. Quality materials: The sink aerator body is made of solid brass with full chrome-plated metal coating. The tank aerator set is made of solid ABS and stainless steel material, which is more durable and corrosion-resistant than plastic. It ensures reliability and practicality. It is quick and easy to replace. C. FUNCTION: This kitchen faucet bubbler alternative allows the water flow to fully mix with the air and creates a bubbling effect, thus reducing water consumption. The water is mixed with air, becomes softer and less active, and this prevents water from splashing everywhere. In addition, it can have a good noise reduction effect. iFealClear water-saving faucet spout aerator ensures high water efficiency. D. Easy to install: This bathroom faucet aerator replacement does not require much time and effort. This makes it suitable for most faucet types; it is easy to install and replace with a simple screw-on installation. E. MIXER AERATOR SET: 2 PCS, 55/64" FEMALE BRASS BODY with thread. 2 pcs. 15/16" brass body with external thread. 4 pcs. stainless steel bubbler. 4 pcs. sealed rubber gaskets. F. Universal iFealClear faucet Aerator can be installed on kitchen sink faucets and bathroom faucets.