EZ Plenum EZSWC4 4"-Inch Side Wall Cap with Swivel Lock Backdraft Damper, Removable Screen, 26GA Galvanized Steel Color:Heritage Bronze This is a R6-rated fiberglass

This is a R6-rated fiberglass "assembled" linear plenum box that fits a 24"-inch 2-slot (1"-inch slot width) linear diffuser grille

24x12 Modern Linear Slot Return Grille with Filter

Size: 10" x 6"

Its sturdy construction makes it suitable for a wide range of HVAC applications

enhancing indoor air quality and comfort

EZ Plenum EZSWC4 4"-Inch Side Wall Cap with Swivel Lock Backdraft Damper, Removable Screen, 26GA Galvanized Steel Color:Heritage Bronze This is a R6-rated fiberglassEZ Plenum's 4" inch heavy duty galvanized steel side wall exterior wall caps are the preferred & ideal choice for exhaust air ventilation and outside fresh air ventilation intake wall caps. If you're an HVAC Distributor, eliminate the need to stock different variations of a product that can achieve use for intake or exhaust. With this patent pending side wall cap, you can stock one model that can be used for both intake exhaust applications! Less