4" Horizontal/Vertical Mount Fire Damper 2634-6X6 T-Bar Nylon bushings for easy adjustment

Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension

Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern

linkage and handle enclosed in valve to assure trouble-free operation

Options * MAR - Mounting Angle Ring (sold in pairs - 2 needed

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1033 - 1/3" spacing available in limited sizes * A-1050 -

4" Horizontal/Vertical Mount Fire Damper 2634-6X6 T-Bar Nylon bushings for easy adjustmenth3. 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