Extrutech 1 3/4" H-Bar Mullion, Item # EPI0200, is one of two options used to connect two 36" EPI9000 wall panels together along the side dovetail edges. The 1 3/4" H-Bar Mullion is slid over the side of the dovetail edge of the standing panel where vertical assemble clearance is tight and the next panel is slid into the installed H-Bar and joined together. Is of an exterior grade, hard, dense, rigged pvc, with a smooth surface, with 070" wall thickness. Cut with standard power saw and a fine tooth blade. Fasten with appropriate trim screws per installation instructions or industry standard. This product is non-painted in white, available at 2' increments from 4'- 16' foot lengths, with a weight of 0.30 lbs per foot.