SPECIFICATION: -30.7" cross bar -13.7" long vertical rail -17.7" long support bracket -The support holds up to 330 pounds -Support A/C BTU ratings of: 9000 BTU - 36000 BTU FEATURES: Mini split mounting bracket are used to install outdoor units on the wall. Optimize the safety of your air conditioner condensing unit installation with the sturdy heavy-duty wall mounting bracket support. Works with many brand wall mounted split air conditioner heat pump systems. Design with cross bar enhance the structure for long term stability. Rubber cushion anchors securely fix the unit to the bracket while minimizing vibration, maximizing airflow, and preventing surface scrapes and scratches. Exclusive built-in spirit level can correct mounting slope position.