Its very easy to install. 360 degree adjustable sprinkling area, saving much water || Freely adjusting three levels of water yield. suitable for using in kitchen, bathroom or gardenSize : Total height 8.5 CM (3.35in), total width 5.5 CM (2.17in), base inner diameter 2.2 CM (0.87in), base outer diameter 2.4 CM (0.94in)Easy To Install -- Threaded port design, no tools are needed, just make sure your faucet fits the products dimensions and is ready for use, Water bubbler contains filter || 3-Mode spray : Can be adjusted to jet, shower, and jet + shower modes according to your needsEasy To Install -- Threaded port design, no tools are needed, just make sure your faucet fits the products dimensions and is ready for use, Water bubbler contains filter || 3-Mode spray : Can be adjusted to jet, shower, and jet + shower modes according to your needsWide Use : application -- Faucet Aerator can be fitted to kitchen faucet, sink faucet, bathroom faucet and toilet faucet, and use plenty of water public places