1½ Hour Rated Thin Line Curtain Fire Damper

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Model:	17SF
Filter:	17SFV
Depth:	1⅝"
Minimum Panel Size:	4" x 4"
Maximum Panel Size:	40" x 40"
UL Classified:	1½ Hour Fire Resistance
Certifications:	Underwriters Laboratories, Inc.: 555 National Fire Protection Association: 80 & 90A ICC's International Building Code CA State Fire Marshal Listing #3225-1328:100
Orientation:	Vertical
Frame Material:	One-Piece Roll Formed 22 ga. Galvanized Steel
Blade Material:	22 ga. Galvanized Steel
Blade Type:	Curtain
Fusible Link:	UL-Listed 165°F; Replaceable
Finish:	Mill