Mitsubishi Heavy Industries

Use the drop down box above or simply search the model of Mitsubishi Heavy Industries (MHI) duct air conditioning fan coil unit that you are installing. A velocity calculator available at the top of the page will help you select the correct size and number of air outlet connections that will suit your needs.

£72.77
Manufactured in ABS, these lightweight but strong supply air plenum boxes are pre-insulated. Use the drop down velocity calculator to select the number...

£112.50
Available for the Mitsubishi Heavy industries duct ceiling range of air conditioners, we offer a full range of insulated plenum boxes - simply select...

£138.63
Linwood manufacture fabricated supply air plenums to suit the various different high static models of MHI. All plenum boxes are supplied insulated.

£138.31
These pre-insulated fabricated boxes for the MHI rage are available with spigots located on both the front or end of the plenum box or any combination...

Minimum quantity for "FDUM60-71V Supply Air Plenum End Discharge" is 1.


£126.20
Manufactured in ABS, these lightweight but strong supply air plenum boxes are pre-insulated. Use the drop down velocity calculator to select the number...

Minimum quantity for "FDUM 40-50V Supply Air Plenum End Discharge" is 2.


£102.31
These purpose designed return air filter boxes are designed to fit the Mitsubishi Heavy Industries standard above ceiling ducted unit. Plenums are...

£114.33
These purpose designed return air filter boxes are designed to fit the Mitsubishi Heavy Industries SRR50 and SRR60ZM-s standard above ceiling ducted unit....

£126.31
These purpose designed return air filter boxes are designed to fit the Mitsubishi Heavy Industries SRR50 and SRR60ZM-s standard above ceiling ducted unit....

£126.31
These purpose designed return air filter boxes are designed to fit the Mitsubishi Heavy Industries  above ceiling ducted unit. Plenums are supplied...

£62.62
Manufactured in ABS, these lightweight but strong supply air plenum boxes are pre-insulated. Use the drop down velocity calculator to select the number...

£132.50
These pre-insulated fabricated boxes for the MHI FDUM range are available with spigots located on both the front or end of the plenum box or any combination...

Minimum quantity for "FDUM 22-56KXE6F Supply air Plenum End Discharge" is 1.


£138.31
These pre-insulated fabricated boxes are available for MHI duct units with spigots located on both the front or end of the plenum box or any combination...

Minimum quantity for "FDUM71-90KXE6F Supply Air Plenum End Discharge" is 2.