EZ Plenum EZLP18-1S-TB Assembled Fiberglass Linear Plenum Box fits 18"-Inch 1-Slot Diffuser (compatible with Texas Buildmart) roof vent 10" Inch R6 Insulated Flexible

10" Inch R6 Insulated Flexible HVAC Air Duct – 25 Ft

or discontinued Acme Miami blades

000 square feet

4"-inch collar

EZ Plenum EZLP18-1S-TB Assembled Fiberglass Linear Plenum Box fits 18"-Inch 1-Slot Diffuser (compatible with Texas Buildmart) roof vent 10" Inch R6 Insulated FlexibleThis is a R6 rated fiberglass "assembled" linear plenum box that fits a 18" inch 1 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 1 slot (3 4" inch slot width) linear diffusers. This plenum box is manufactured to fit most 1 slot (3 4" inch slot width) linear grilles, however, there are exceptions therefore please see product specifications