4 1/4" Vertical Mount Fire Damper 2633-22X8 Residential Registers & Grilles 3-Way and 4-Way Air Patterns

3-Way and 4-Way Air Patterns

Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

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950 Series Engineering/Performance Data

1/4” Wide x 1-27/32” High slots

4 1/4" Vertical Mount Fire Damper 2633-22X8 Residential Registers & Grilles 3-Way and 4-Way Air Patternsh3. 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