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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Square collar designed for a 20” × 20”
Standard Features * Heavy duty 16 gauge steel construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Soft White Options * No mounting holes * For opposed blade damper
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
425 Series Engineering/Performance Data
Note: Sizes are Listed Nominal Duct Opening
Lattice Return Air Grille 600P-24X36 Commercial Square collar designed for a3 16 holes on 1 4 staggered centers Extruded aluminum frame with signature line marks Perforated material 58% free area Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws Rust resistant pre coat with durable powder finish Soft White
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