Push-in fittings are unique in that they provide a very easy installation and are less bulky than compression fittings for low clearance situations. 90* male elbows feature a tube connector on one side and male pipe thread on the other side for threading into internally threaded mating parts. They come in either the same size tube/pipe or alternating sizes depending on the application. Composite fittings are more cost effective and lighter than brass fittings while still maintaining the same working strength. They are designed to resist pull-out, are highly corrosion resistant, and have a maximum working pressure of up to 2,800 PSI.