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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
Ceramic fiber blade insulation with fiberglass cover*
Maximum size 60"x48"
with 57% free area
with 75% free area Options 14 GA 304 SS Construction 12 GA (
Reinforced welded core and extra supports for heavy duty application
4" Horizontal/Vertical Mount Fire Damper 2634-28X12 Step Down Ceiling Diffuser Ceramic fiber blade insulation withh3. 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
US$ 11.99
US$ 480.00
US$ 64.00
US$ 24.99
