Specifications: The filter is M18 external thread and the tap filter is suitable for taps with 18 mm internal thread. Included in the package: M18 plug-in tap filter x 2, sealing ring x 2, quick and easy installation, no tools required. Its very simple, just remove the accessories from the faucet by hand. Rustproof: stainless steel, chrome plated brass on the surface, with ABS filter inside, non-toxic, water resistant. wear-resistant, rust-proof and reliable, ensuring service life and stable quality. Application: The filter faucet can be installed on the bathroom or kitchen faucet (it is recommended to install it only on the high pressure faucet). No Splashing: The honeycomb structure of the faucet aerator allows the water to flow smoothly without splashing. Delicate bubbles, perfect champagne bubbles. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.