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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Available 4" thru 40" round
Standard Features * 1" rim size (2" larger than nominal duct size) * 14 gauge steel * 1305: 1/2" lattice opening
60% free area * Soft White Options * Countersunk screwholes with matching Phillips #8 x 1-1/2" oval Screws * 10 or 12 gauge steel * Tamper proof screws
Concealed mounting holes with mounting screws
Holds up to 1" filter
4 1/4" Vertical Mount Fire Damper 2633-30X22 Specialty Products Available 4" thru 40" 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
US$ 59.95
US$ 41.97
US$ 41.97
US$ 41.97
