4"x10" Brown Steel Return Air Floor Grille, Walkable Heavy-Duty Fixed-Blade Vent Cover disc-max15 Built-in non-return backdraft flap

Built-in non-return backdraft flap

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4"x10" Brown Steel Return Air Floor Grille, Walkable Heavy-Duty Fixed-Blade Vent Cover disc-max15 Built-in non-return backdraft flapProduct Overview The 4"W x 10"H brown steel return air floor grille carries return air back to the HVAC system through a floor opening. Powder coated steel resists dents and rust for years of use, a stronger choice than lightweight plastic covers. Select this return air floor grille by its duct opening size, not the overall face size, so it seats correctly on the first fit. Key Features Steel construction: Steel keeps the return air floor grille rigid