CAPACITY RANGE: 1000 CFM to 80000 CFM APPLICATIONS: Air Conditioning-For Schools, Studio, Airports, Laboratories, Multiplexes, Offices, Institution Buildings, and Hotels. OPTIONS: Single/Double Tier Construction. Thermal break profile with 25/43mm panel thickness. Filter section for Merv-8, Merv-13, in Rigid/Bag construction. Heat recovery Wheel/Heat Pipe. Humidification, Pre Heat Package. Mixing Box With Fresh/Return Air Dampers.