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Fits 1x1 ceiling grids (collar size 6"-10")
91 Series Submittal
Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice return air grille * Surface mount grille with
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
22 gauge galvanized steel roll formed frame
4 1/4" Vertical Mount Fire Damper 2601-26X26 Commercial Fits 1x1 ceiling grids (collarh3. 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
