Hvac Plenum Ceiling Box

C box hvac plenum ceiling box 10 x 10 x 8 round connects to vent register diffuser by smk 4 6 out of 5 stars 23.

Hvac plenum ceiling box. Sizes listed are the box opening widths then the round size as the last dimension. And is designed for use with all heating and cooling applications. It can be installed with sheet metal screws.

Sizes listed are the box opening first and second then the round size third. All ceiling boxes are manufactured from the highest of quality galvanized steel. It is suitable for most hvac applications.

More product details close. This box is made of galvanized steel. The trim to fit plenum fully assembled measures 20 in.

Item 523685 model rab21rab21. All ceiling boxes are manufactured from the highest of quality galvanized steel. The trim to fit plenum fully assembled measures 20 in.

W x 20 in. Winchester 20 5 in x 21 in x 28 in return air box assembly duct plenum. 90 register box creates a right angle transition from round pipe or insulated flexible duct to an air register.

10 x 10 return air filter grille filter included removable face door hvac vent duct cover white outer dimensions. The master flow 10 in. Constructed of 26 gauge sheet metal the knock down design of the plenum takes up very little space and simplifies transporting to the job site.