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Countersunk mounting holes with color matching Phillips Pozidriv screws
450 Series Submittal
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar Additional Drawings * 825 MA
Standard Features * Return air T-Bar lay-in filter grille for 20" x 20" duct * Removable louvered 20 gauge steel face * 20" x 20" x 1" filter (not included) * Square collar (20x20) * 2x2 panel * Seismic support holes * Soft White Options * Square to round No Labor Collar
Product sizes available to fit spiral pipe diameter 8” – 48
Filter Grille FG-25X20 Finish:Cement Gray Countersunk mounting holes with colorStandard 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
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