BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - (2 Slot) Double Slot] Premium Insulated Galvanized Sheet Metal Plenum Box for Heating and Cooling - Texas Buildmart

Ideal for Texas Buildmart 18 2 Slot Lineal Slot Diffuser Galvanized sheet metal Plenum Box with foam insulation. Total Box Dimensions: L: 19 1/8 W: 4 9/16 H: 11 7/8 Entry size: 1 entry of 8 flex in oval shape This is a design and utility patent pending product We make sizes from 12 to 72 linear slot diffuser ac vent covers for the modern day home We have over 70 standard vent cover sizes to replace your traditional looking grills. We also have over 40 linear slot diffuser sizes with their matching plenum box. All models are in stock ready to ship in both white and black colors – Our models are also paintable.