Return modular false ceiling mounted 24 “x 24″: Distribution box + high efficiency. Circular + Neck flexible duct connection. Perforated steel sheet in front, with 50% free area. Which is easily removable to facilitate the maintenance process. (Without diffuser) Fiberglass insulation with a kraft coated.
Necks rolled and stamped, galvanized sheet 26 gauge. The insulation is fiberglass, 1-1/2 ” thick R=4.2. Baked electrostatic paint (polyester) white plastic Vermont and airtight packaging.
Perforated sheet steel hinged 26 gauge (24 option), with box-reinforced steel adapter 26 gauge.