• The ALTER Air Handing Units are modular in design and is available in both horizontal and vertical configuration with a variety or discharge arrangement. These units may be arranged to meet almost any space or duct requirements. Each unit comes complete with fan assemble, cooling coil, motor and drive package and it is also available with a choice of accessories such as filter section, mixing box section, face and bypass damper, etc. to meet any air-condition, or filt... +Learn More