2 WAYS TO WORK: Pulling on the chrome nozzle transforms a light jet of air into a powerful jet. A fine, integrated dirt filter traps sand and dirt particles. Remark : Pull the nozzle down to change the shape of the jet. MATRIX: The water saving faucet booster is made of high quality ABS and stainless steel, strong, durable and thick. Easy to install and clean, suitable for 99% of all types of faucets. Both M22 / 0.87in male thread and M24 / 0.94in female thread are available for installation. POLISHED CHROME: The chrome finish of the faucet has a mirror effect which makes cleaning easy and gives the surface a glossy texture that won't fade or scratch. The high quality chrome finish is corrosion resistant and shine resistant. EASY TO INSTALL: No tools are required. Just make sure your fitting is the correct size for the product and ready to use, then place the shower head into the fitting and tighten the bracket clockwise to complete the installation. PAKET: Two faucet strengthening nozzles are included, making it easier for you to use the faucet in different situations in the kitchen and bathroom.