3 Hour Rated Curtain Fire Damper

A Division of MESTEK, Inc.

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Model:	30S
Filter:	30SAV,30SAH,30SBV,30SBH,30SCV,30SCH
Depth:	4⅞"
UL Classified:	3 Hour Fire Resistance
Certifications:	Underwriters Laboratories, Inc.: 555 National Fire Protection Association: 80 & 90A ICC's International Building Code CA State Fire Marshal Listing #3225-1328:101
Orientation:	Vertical or Horizontal
Frame Material:	22 ga. One-Piece Roll Formed Galvanized Steel
Blade Material:	22 ga. Galvanized Steel
Blade Type:	Curtain
Fusible Link:	165°F
Closure Springs:	Horizontal Models Only
Closure Spring Material:	Heat-Treated Type 301 Stainless Steel
Closure Spring Type:	Constant Force Coiled Negator
Finish:	Mill