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2-way register with stiffened 1/2" fan-shaped louvers for silent operation
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
Nylon bushings on adjustable blades to prevent metal on metal rattle
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" Duct Opening (front blades parallel to shortest dimension)
2" Horizontal/Vertical Mount Fire Damper 2534-32X12 Commercial 2-way register with stiffened 1/2"h3. Standard Features * 2533 Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. * 2534 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 29h. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self
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