【Package Contents】You will receive 6 pieces M18.2 faucet aerators and 2 pieces aerator wrenches, the quantity is enough for daily use. Due to the different environmental water quality, for the hygiene and safety of your water, it is recommended to replace the aerator directly every 3 to 6 months. 【High-quality Material】Our aerator foam nozzle is made of high-quality ABS, which is durable, well-made, corrosion-resistant, non-clogging, rust-free, and odorless. These faucet aerators fit most M18.5 faucets. 【Water-saving】Our faucet aerator is low-noise and water-saving. This faucet aerator fully releases water and air to produce a foaming effect, avoiding splashing, with a large and uniform water flow. Reduce your bills and help conserve natural resources. 【Easy to Install】Our kitchen faucet aerator is easy to install and remove without any additional tools. Use the faucet aerator wrench to screw the aerator directly onto the faucet. You can easily remove the faucet filter for cleaning at any time. 【Wide Application】Suitable for homes, hotels, public facilities, and other places, perfectly contributing to water saving and water filtering for the kitchen faucet or sink. Perfect for repairing low-flow faucets or faulty aerators without having to replace the faucet. Blue, outer diameter 18.2mm, inner diameter 17mm. The wrench is 30mm long, 34mm wide, and has a bottom diameter of 18.5mm.