| Depth (Inches) | 1 | |
| Merv Rating | - | |
| Product Status | Active | |
| Media Delivery Type | - | |
| Series | Filtrete™ | |
| Type | - | |
| Width (Inches) | 18 | |
| Mfr | 3M | |
| Height (Inches) | 24 | |
| Material - Frame | - | |
| HTSUS | 0000.00.0000 | |
| Package | Bulk | |
| Length (Inches) | - | |
| Base Product Number | UA21DC | |
| Moisture Sensitivity Level (MSL) | Not Applicable |
