Product DescriptionThese dual shell Vandal Proof Faucet Aerators offer the same great performance found in our other water saving and energy efficient faucet aerators, but cannot be installed or more importantly removed without a special key. The outer brass dual shell when turned will not rotate or turn the inner brass shell, making it impossible to remove or install Vandal Proof Aerators without the special key. Great for apartments, rentals, hotels, motels and publicly used faucets where tampering, theft and removal or the use of cloth washers is of concern. vandal proof aerators specialize in water efficiency, water reduction, and water conservation. The inside aerator cartridge could be option according to customer's request for what water flow you need in some water pressure. suitable our model's cartrdige S-2A,S-3,S-5.
