4" Horizontal/Vertical Mount Fire Damper 2634-34X10 Accessories Standard Features * Return air

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

Standard Features * Modular core ceiling diffuser * Modular core has galvaneal steel blades in

RD Series Submittal

855 Series Submittal

Single deflection radius mount spiral pipe grille with adjustable blades

4" Horizontal/Vertical Mount Fire Damper 2634-34X10 Accessories Standard Features * Return airh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion