Hymax Grip 894-56-06165-16 ND 6.0" EPDM 90 Degree ElbowHYMAX GRIP ELBOW is a wide rage restraint coupling with an elbow of 45 or 90 angle. It connects a large variety of pipe materials and different diameters. Its unique patented radial closing mechanism holds pipes tightly in place during installation, allowing full control over the gap between pipes. It comes in 2 configurations of either 45 or 90. Fast and easy to install, HYMAX GRIP ELBOW has only 2 to 4 bolts. Its pressure assisted hydraulic gasket