20 In. X 20 In. Duct-board Return Air Box
Description
| Insulated | Yes |
| Insulation R-Value | 6 |
| Insulator material | Other |
| Material | Fiberglass |
| Maximum air flow (CFM) | 0 |
| Returnable | 90-Day |
| Certifications and Listings | No Certifications or Listings |
| Product Depth (in) | 21.5 in |
| Product Height (in) | 4.5 in |
| Product Length (ft) | 21.5 ft |
| Product Thickness (in) | 2 in |
| Product Width (in) | 22.5 in |
- Usable as a return box for household venting systems
- R6 insulation protects the attached grille from heat and cold
- Easy to attach or detach with industrial gaffer tapes
- Easily assembles using foil tape (Assembly required)
- Provides accommodation for return air filter grills
- Easy, more flexible, installation
- R-6 insulation
- Overall assembled size: 23 in. x 23 in. x 7.5 in
- Interior dimensions: 20 in. x 20 in. x 6 in.
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