These specially designed return air filter housings are designed to fit standard Mitsubishi Heavy Industries FDU100,120 and FDU140VH above-ceiling duct units.
These plenums come with two filter installation frames that screw into the back of the fan coil after the air inlet plate is removed. Note that the sealing of the two filter frames will be required on site.
This price includes a Mitsubishi PEFY air filter supplied with the plenum.
