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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Available 4" thru 28" round
Standard Features * Full size fixed blade T-Bar lay-in return air grille * Fixed Blade * Square collar * For 22"x22" square duct * Soft White Options * 900 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product
Adjustable blades oriented for 3 or 4-way air flow pattern
1550 Series Submittal
Double deflection radius mount spiral pipe grille with adjustable blades
4 1/4" Vertical Mount Fire Damper 2633-48X14 Commercial Available 4" thru 28" roundh3. 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
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