Heavy Duty Ductable Splits Units with Humidity Control is available with pre drilled duct flange which minimizes duct connection work at site as well as reduce air leakages from sides. ETA Engineering Private Limited manufactures Heavy Duty Ductable Splits Units with Humidity Control. ETA Engineering Private Limited also manufactures diverse types of ductable split unit, floor mounted package unit, self contained roof top unit, modular air cooled scroll chiller, air handling unit. Heavy Duty Ductable Splits Units with Humidity Control is designed for use with ducted air system. They may also be used with an accessory plenum and grille for free flow applications. This Heavy Duty Ductable Splits Units are equipped with quiet, large volume air movement forward curved fans, with large outlet areas to minimize air movement noise.