Mr. Heater 37 in. H X 6.5 in. L X 4 in. D Silver/White Stainless Steel Vent Kit

4 in. Vertical Vent Kits designed to fit the MHU75, HSU75, MHU80 and HSU80 model unit heaters. Designed for vertical installation only. Other select parts may be required for your installation needs. Please check and adhere to all state and local codes.