: The installation process is simple and, requiring you to remove the old and insert the new nozzle Each package contains 50pcs shower head nozzles to ensures that you have enough replacement for future needs Great for shower head with opening size of 4mm / 0.16inch Easy and efficient to replace old or damaged nozzles Suitable for most shower head, these replacement nozzles can be easily fit These food grade silicone parts is designs for high temperatures and provide durability and for long terms in your shower, Manufacturer: Kelisdi