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listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar Additional Drawings * 825 MA
alternate frame is extruded aluminum with signature line marks
Perforated Face Grille
available with two or four diffusers per panel
Square or rectangular for vertical mount only
4 1/4" Vertical Mount Fire Damper 2601-8X8 Commercial listed Fire-Resistance Diffuser * TVBh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized
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