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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Holds up to a 1" filter (not included) with filter retention tabs (FG1)
Options * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
Full-length screwdriver operated Scoop Extractor
remove the two center cones as a unit and reposition the six screws
Available 4" thru 28" round
4 1/4" Vertical Mount Fire Damper 2633-24X18 Residential Registers & Grilles Holds up to a 1"h3. 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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