Unequal Tee Brass Size: 3/4" x 1/2" x 1/2" Easi Plumb 3/4" X 1/2" X 1/2" Unequal Tee | Ep8341212 The Easi Plumb Metric Brass Compression Unequal Tee Pipe Fitting is a high quality brass compression fitting, manufactured to ISEN 1254-2 standards. This brass fitting is for indoor use to join a branch line into a vertical line with unequal sized pipes. This is a simple to assemble compression joint, manufactured using quality brass.