About Air Filter Efficiency Ratings
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HEPA Box Air Filters
Control dust and contaminants in hospitals, laboratories, and other demanding environments. These filters have a rigid frame that withstands fluctuations in airflow, such as those created by variable air volume systems. The sealing gasket is on the downstream side of the filter.
The trade size is the actual size of the filter.
UL Classified-rated filters meet flame retardance requirements.
For technical drawings and 3-D models, click on a part number.
| HVAC Filter Trade Size | Filter Efficiency @ 0.3 Microns | Removes Particle Size Down To, microns | Material | Specifications Met | Each | |
Particleboard Frame | ||||||
|---|---|---|---|---|---|---|
3" Thick | ||||||
| 12 × 12 | 99.97% | 0.3 | Fiberglass | __ | 0000000 | 0000000 |
| 12 × 24 | 99.97% | 0.3 | Fiberglass | __ | 0000000 | 000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | __ | 0000000 | 000000 |
| 24 × 36 | 99.97% | 0.3 | Fiberglass | __ | 0000000 | 000000 |
5 3/4" Thick | ||||||
| 8 × 8 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
| 12 × 12 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
| 12 × 24 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
11 1/2" Thick | ||||||
| 12 × 24 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
| 23 3/8 × 23 3/8 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
| 24 × 30 | 99.97% | 0.3 | Fiberglass | UL Classified | 0000000 | 000000 |
Aluminum Frame | ||||||
2 3/4" Thick | ||||||
| 12 × 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
| 24 x 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
Galvanized Steel Frame | ||||||
5 7/8" Thick | ||||||
| 8 × 8 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
| 12 × 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
| 24 x 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
11 1/2" Thick | ||||||
| 23 3/8 × 23 3/8 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
| 24 x 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 000000 | 000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
| 24 × 30 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
Stainless Steel Frame | ||||||
2 3/4" Thick | ||||||
| 12 × 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
| 24 x 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
5 7/8" Thick | ||||||
| 8 × 8 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
| 12 × 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
| 24 x 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 00000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 000000 |
11 1/2" Thick | ||||||
| 24 x 12 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 00000000 |
| 24 × 24 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 00000000 |
| 24 × 30 | 99.97% | 0.3 | Fiberglass | UL 900 | 0000000 | 00000000 |
HEPA Long-Life Box Air Filters
Extend the time between filter changes in laboratories, hospitals, and other places with a high risk of airborne contaminants. These filters have tight pleats, which increase the surface area for catching particles. They’re a HEPA filter, so they capture small particles, such as allergens and germs, more efficiently than standard air filters.
Filters with an aluminum frame have a V-shape design that increases the filtering area and reduces resistance to air, leading to an even longer life than filters with a standard design.
For technical drawings and 3-D models, click on a part number.
Filter Efficiency @ | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| HVAC Filter Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Max. Temp., °F | Each | |
Aluminum Frame | |||||||||
11 1/2" Thick | |||||||||
| 24 × 12 | 16 | 99.97% | 99.97% | 99.97% | 0.3 | Fiberglass | 180° | 0000000 | 0000000 |
| 24 × 24 | 16 | 99.97% | 99.97% | 99.97% | 0.3 | Fiberglass | 180° | 0000000 | 000000 |
Steel Frame | |||||||||
11 1/2" Thick | |||||||||
| 24 × 12 | 16 | 99.97% | 99.97% | 99.97% | 0.3 | Fiberglass | 160° | 0000000 | 000000 |
| 24 × 24 | 16 | 99.97% | 99.97% | 99.97% | 0.3 | Fiberglass | 160° | 0000000 | 000000 |
Bags and Filters for Vacuum Cleaners
HEPA filters virtually eliminate exhaust dust.
| Component | Manufacturer Equivalent No. | Manufacturer Model Number | Filter Efficiency @ 0.3 Microns | Air Filter Performance | For Pickup Type | For Vacuum Cap. | For Vacuum Type | Includes | Pkg. Qty. | Pkg. | |
Dirt Devil Filters | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cartridge Filter | 3JC0280000 | F1 | 99.97% | High-Efficiency Air Filter (HEPA) | __ | __ | Upright | __ | 1 | 0000000 | 000000 |
| Cartridge Filter | 3SFA11500X | F2 | 99.97% | High-Efficiency Air Filter (HEPA) | __ | __ | Upright | __ | 1 | 0000000 | 00000 |
Nilfisk Filters | |||||||||||
| Cartridge Filter | __ | __ | 99.97% | High-Efficiency Air Filter (HEPA) | __ | 5 gal., 8 gal. | __ | __ | 1 | 00000000 | 000000 |
Nortech Filters | |||||||||||
| Cartridge Filter | N635H | __ | 99.97% | High-Efficiency Air Filter (HEPA) | __ | 30 gal., 55 gal. | __ | __ | 1 | 0000000 | 000000 |
Ridgid Filters | |||||||||||
| Cartridge Filter | VF6500RT | __ | 99.97% | High-Efficiency Air Filter (HEPA) | Wet/Dry | 12-16 gal. | __ | Two Cartridge Pre-Filters | 1 | 00000000 | 000000 |
Ridgid/Sears Craftsman Filters | |||||||||||
| Cartridge Filter | 9-17912 VF6000 | __ | 99.97% | High-Efficiency Air Filter (HEPA) | Wet/Dry | 6 gal. and up | __ | __ | 1 | 0000000 | 00000 |
| Component | Manufacturer Equivalent No. | Manufacturer Model Number | Filter Efficiency @ 0.3 Microns | Air Filter Performance | For Vacuum Type | Pkg. Qty. | Pkg. | |
Bissell Filters | ||||||||
|---|---|---|---|---|---|---|---|---|
| Filter | 3091 | 8, 14 | 99.97% | High-Efficiency Air Filter (HEPA) | Upright | 1 | 0000000 | 00000 |
| Filter | 32076 | 7, 9, 16 | 99.97% | High-Efficiency Air Filter (HEPA) | Upright | 1 | 0000000 | 00000 |