| Model: | D39 |
| Filter: | D39AV,D39AH,D39BV,D39BH,D39CV,D39CH |
| 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 |
| 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 Spring Material: | Heat-Treated Type 301 Stainless Steel |
| Closure Spring Type: | Constant Force Coiled Negator |
| Finish: | Mill |
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