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Sandwich® access doors provide easy access to air ducts and units. This door was developed to provide a solid, leak-proof door that is simple to install.
DUCTMATE® Sandwich® Insulated Spiral Duct Access Door, 8 x 4 in Size, Fits Pipe Size: 7 to 9 in, 9 x 4-3/4 in Actual Door Size, Fiberglass Insulation, 7-7/8 x 3-7/8 in Wall Opening, -10 to 20 in-WG, R-Value: R-2.1, 22 ga, Steel, Galvanized, -20 to 200 deg F
| Actual Door Size | : | 9 x 4-3/4 in |
| Finish | : | Galvanized |
| Fits Pipe Size | : | 7 to 9 in |
| Gauge | : | 22 ga |
| Insulation Material | : | Fiberglass |
| Material | : | Steel |
| Pressure Rating | : | -10 to 20 in-WG |
| R-Value | : | R-2.1 |
| Size | : | 8 x 4 in |
| Temperature Rating | : | -20 to 200 deg F |
| Wall Opening | : | 7-7/8 x 3-7/8 in |