Ⅰ. Product Description: Adjustable Aerator, Silver1080° Swivel Extendable Faucet: This faucet attachment comes with a movable metal arm and has three adjustable angles, each of which can rotate 360°, and extends 1080 degrees to every corner of the sink for cleaning and washing. Ⅱ. Compatible Dimensions: This rotary valve aerator is compatible with most faucets. Product diameter: external thread 24 mm, suitable for faucets in washbasins. Internal thread is 22 mm, upper and lower thread 20 mm for faucets with elbow reinforcement. Suitable for washing machine faucets. It comes with three gaskets for better sealing. Choose the right gasket according to the type of faucet. Ⅲ. Two water discharge modes: The tap water filter has two different water discharge modes (soft bubble mode and spray mode). Simply rotate the nozzle part to change it when needed. This faucet water saving device uses a 4-layer high-density filter that can filter most water contaminants. The abundant bubbles in the water tap aerator can prevent water splashing and save water. Ⅳ. Material: This faucet extension is made of brass and ABS plastic. The outer layer uses electroplating technology, making the water filter easier to clean, less rust and durable. Ⅴ. Easy to install: This faucet extension with spray filter is very easy to install. Our product is equipped with a hex wrench for easy disassembly and assembly. Ⅵ. Warning! The installation of the product must be carried out by a qualified specialist.