EZ Plenum EZLP18-3S-TB Assembled Fiberglass Linear Plenum Box fits 18"-Inch 3-Slot Diffuser (compatible with Texas Buildmart) relay aluminum mill finish

aluminum mill finish

Material: High-quality aluminum

Replacing a worn or bent fan blade restores proper attic ventilation

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EZ Plenum EZLP18-3S-TB Assembled Fiberglass Linear Plenum Box fits 18"-Inch 3-Slot Diffuser (compatible with Texas Buildmart) relay aluminum mill finishThis is a R6 rated fiberglass "assembled" linear plenum box that fits a 18" inch 3 slot (3 4" inch slot width) linear diffuser grille. The standard height of our linear plenum boxes are about 12" inches high. Compatible with Texas Buildmart 3 slot (3 4" inch slot width) linear diffusers. This plenum box is manufactured to fit most 3 slot (3 4" inch slot width) linear grilles, however, there are exceptions therefore please see product specifications