Simplify your home plumbing with this 90 degree elbow pipe and coupling fitting set. Perfect for potable water supply hydroponic heating applications, these fittings features an innovative push to connect design which allows for quick and installation, and does not require any tools, glue, crimping, or soldering. The coupler and 90 degree elbow plumbing fitting are compatible with any combination of copper, PEX, CPVC or PE-RT pipes, and are certified for underground and behind-the-wall applications without access panels. The push to connect elbow and coupling are composed of brass and are corrosion resistant for long lasting durability and reliability, work well in tight spaces, and are rated for 200 psi and 200 degrees F.