3/8" Compression End Nozzle Nickel Plated Brass for High Pressure Misting Systems. The end nozzle fitting is used to place a nozzle at the end of a length of high pressure nylon, stainless steel or copper tubing. They can be used to create landscaping stakes or extensions for a variety of uses! The dual ferrule design of these compression fittings makes them the most reliable fittings available!