| Model: | 38D |
| Filter: | 38DAV,38DAH,38DBV,38DBH,38DCV,38DCH |
| 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 |