| Duct Shape | : | Rectangular |
| Finish | : | Galvanized |
| For Duct Size | : | 21 in |
| Material | : | Galvanized Steel |
| Package Quantity | : | 1 |
| Product Family | : | Classic |
| Product Type | : | Return Air Box |
The H Manufacturing Classic Return Air Box is an all-steel solution designed to provide a sturdy and reliable foundation for furnace installations. It allows for quick mounting of the furnace and offers the flexibility to be cut on any side for easy connection to return air ducting.Engineered for both installers and homeowners, this return air box features a clean, easy-to-maintain look and is the base for a whole-home furnace ducting system when paired with other H Manufacturing products.
- Fast Assembly: Designed for a simplified, replicable installation that takes only a few minutes, saving time on the job.
- Durable Construction: Made from thick G90 galvanized steel for a beefy, robust foundation that professionals can rely on.
- Filter Flexibility: Built to accommodate multiple filter sizes, including 1-inch, 2-inch, and 4-inch options.
- Easy Access: Features an oversized filter door with hinges and a large latch to make filter replacements quick and simple for homeowners.
- System Integration: Offers a plug-and-play installation with H Manufacturing Coil Transitions or Riser Boxes for a complete system.
