Mounting Bracket for Mini Split Ductless Air Conditioner Condensing Unit 3P (For 18000 and 24000 BTU Condensers) Heavy Duty Steel Construction, Galvanized and Epoxy Painted. Includes all hardware for attaching the condenser plus 4 expansion bolts for wall mounting. 4 Rubber vibration absorbers also included. 4 sizes to choose from. Pick the bracket that fits the BTU output of your machine. Raises the condensing unit above floor for protection from dirt, snow, debris, floods and other perils.