Equal Tee - T18 | Epp1812 Brass Push Fit Fittings Size: ½" Easi Plumb 1/2'' Push Fitting Equal Tee | Epp1812 The Easi Plumb Pushfit Equal Tee Coupling Pipe Fitting is the easiest way to join a branch line of copper or pex pipes into a vertical line with no soldering, clamps, unions or glue. This fitting is WRAS approved and full fitting instructions are included. Just insert the pipe and push hard, the internal teeth bite down and grip tight, while a specially formulated O-ring compresses to create a perfect seal. This joint can be disassembled just as fast using a disconnecting tool.