Features: Easy to fit: The shower flow restrictor kit is very practical and effective. Just as the faucet insert in the basin mixers causes a decrease in the flow of liquid and at the same time allows the user to enjoy the unchanged and effective water diffusion cascade. Careful finishes: The water flow restrictors have fine workmanship and selected material, which gives them a good water flow limiting function even for long-term use. With them you can really save water and thus reduce the cost of water. Features: Dimensions: see photo. Limiter of shower water: 1.2/1.5/1.8/2/2.2/2.5 GPM. Valve: 24 mm in diameter, 21 mm in length. Color of the door opener: purple, blue, yellow, green, orange, white. Material: brass and POM. Contents: 1 x shower flow restrictor valve. 6 shower flow restrictors. Notes: Since measurements are taken by hand, the Sizes shown may vary slightly. Color may vary slightly due to different monitors. Flow Restrictor Assembly: Comes with 1/2 NPT restrictor valve and 6 flow restrictors water flow with different water flow specifications, 1.2/1.5/1.8/2/2.2/2.5 GPM. You can save water by choosing the right shower pressure reducer Quality Material: Brass and POM shower pressure reducer that will not corrode or leak. The working temperature is 0-90C, which is suitable for most household shower mixers or bathtub mixers Easy to install and disassemble: the installation and disassembly of the shower head are very simple in minutes, applicable to save water and control water flow, convenient in daily life Large quantity: shower flow saver suitable for hand showers of bathroom and overhead showers with an opening of 14.6 mm. The water flow restrictor can also be used for other kitchen faucets to help us control the water flow and reduce the waste of water resources Size details: the valve restrictor measures approximately 24mm in diameter, 21mm in length, 1/2" thread, suitable for most showers. Also, the size of the water flow restricting insert is 14 x 16 x 5 mm, the right size for your daily use