MODINE HD100 100,000 BTU  nat gas unit heater. Add $50 for an lp conversion kit. Dimensions 31D X 35 1/2W X 20 1/2H . 4" vent. 125#. Items are new and unused in original box. Please email or call 612-518-6683 with any questions.  I ship nationwide. Check out my other ebay auctions. Minnesota residents will be charged sales tax.