Product Description Isslly 4pcs Shower Head Flow Restrictor, Shower Head Flow Reducer, 1.5 1.8 2.0 2.5 GPM Shower Head Water Saver, Shower Head Limiter for Bathroom, Kitchen, 0.560.540.21 inch Specification: Material: POM Color: Yellow, Green, Blue, White, Gray Size: About 0.56 0.54 0.21 inch (14.2 mm 13.8 mm 5.3 mm), suitable fo common-use sizes shower with 14mm connector Package includes: 4 pcs shower head flow reducers (1.5 1.8 2.0 2.5 gallon/min ) in various colors Package Included: You will receive 4 shower flow restrictors with 4 different water flow rates, 1.5/1.8/2.0/2.5 GPM. Each kind of specifications has 2 pieces of shower flow limiters, and they are distinguished by blue, yellow, green, white and gray. You can choose the suitable one to meet your needs Reliable Quality: The water pressure reducers are made of POM, which is safe, not easy to break and can be used for a long time. And the shower flow limiter can withstand temperatures from 0 to 90 degrees, suitable for most people's daily water temperature use range Suitable Size: Each shower head flow restrictor is about 0.56 0.54 0.21 in (14.2 mm 13.8 mm 5.3 mm). Please note that the shower flow restrictors are only suitable for universal sized showers, which have 14mm connectors. The water flow restrictors can be used and stored easily Practical Effect: The water flow restrictors can help reduce splashing, save hot water and energy. The shower head flow restrictors can help you to reduce water wastage, contribute to the protection of the environment, and also reduce water bills. At the same time, they will reduce water pressure to make you have a better bathing experience Widely Used: The shower head limiters are suitable for bathroom, kitchen, garden, shower flow and so on. You can just choose them to meet your various shower needs