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Lever operated Opposed Blade Damper
Concealed mounting holes
Field installable bowtie damper with round ring
Fixed bars with 0° deflection
Filter Grille FG-40X20 Filter Space:For 4" Deep Filter Lever operated Opposed Blade DamperStandard Features 1 2" spacing dual angular louvers for strength and maximum free area Stamped steel face with roll formed frame Hinged removable face with hinges parallel to longest side Hand operated lever for easy filter access and cleaning 4 way reversible door on square sizes 2 way reversible door on rectangular sizes Concealed mounting holes with mounting screws Holds up to a 1" filter (not included) with filter retention tabs (FG1) Rust
