F102860 Features: -All parts for complete venting. -Adjustable elbow. Product Type: -Vent kit/Diffuser. Material: -Metal. Number of Items Included: -9. Pieces Included: -adapter, b-vent pipe, 2 vent pipes, 90 degree elbow, wall thimble, roof flashing, storm collar, vent cap. Dimensions: -The thimble for through the wall use can expand about 4. Overall Height - Top to Bottom: -6.5". Overall Width - Side to Side: -13.5". Overall Depth - Front to Back: -37". Overall Product Weight: -13 lbs." All parts for horizontal venting Can be used with MHU45 and MHU75 Meets new Cat 2012 s/s Instructions included