2015 TORQUED HEAT TH1250CC , 2 5/16" BALL HITCH, 20" DUCT DISCHARGE SIZE, 20"X25' HEATER DUCT, ADDT SN - TH1250CC-1U315-40152X, FORCED AIR, HYDRONIC HEAT, PORTABLE, TRAILER, VIN# 57MAU1012FA000337,