1½ Hour Rated True Round Curtain Fire Damper (Phillips)

Available in one inch increments only

Model:	R19
Filter:	R19
Depth:	4½"
Minimum Panel Size:	4" Diameter
Maximum Panel Size:	14"Diameter
UL Classified:	1½ Hour Fire Resistance
Certifications:	Underwriters Laboratories, Inc.: 555 National Fire Protection Association: 80 & 90A CA State Fire Marshal Listing
Orientation:	Dynamic Vertical / Static Horizontal
Frame Material:	Diameter 10" and less: 20 ga. Galvanized Steel Diameter 11" and more: 16 ga. Galvanized Steel
Blade Material:	Stainless Steel
Blade Type:	Curtain
Fusible Link:	UL-Listed 165°F; Replaceable
Finish:	Mill

Fusible Link:	212°F
Retaining Angle Rings:	8" - 14"