Sandwich Style Insulated Round Duct
| Item | Duct Access Door |
|---|---|
| Shape | Rectangular |
| Includes | Self-Adhesive Template |
| Material | Steel |
| Rough Opening Width | 15-3/4 in |
| Duct Radius | 21 to 22 in |
| Door Width | 16 in |
| Door Height | 12 in |
| Standards | ASTM D746, UL 94 HB, UL 94 HF 1 |
| Duct Diameter | 21 to 22 in |
| Rough Opening Height | 11-1/2 in |
| Temp. Range | 200 Degrees F max |
| Finish | Galvanized |
| Hinges | None |
| Product Type | Access Door |
| Observation Port Material | Steel |
| For Duct Shape | Round |
| For Nominal Duct Diameter | 21 in, 22 in |
| Maximum Temperature Rating | Standard Temperature |
| Minimum Temperature Rating | -20 Degrees F |
| Material Fabrication | Stamped |
| Seal Material | Not Applicable |
| Latch Type | Knobs |
| Number of Mounting Stud | 2 |
| For Media Type | Air |
| Material Thickness | 20 ga |
| Door Shape | Rectangular |
| Observation Port Height | Not Applicable |
| Observation Port Width | Not Applicable |
| Door Thickness | 7/8 in |
| Hinge Style | None |
| Fire Rating | Not Rated |
| Mounting Stud Length | 2 in |
| Maximum Pressure Rating | 20 in wc |
| Insulation Material | Fiberglass |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |