About Air Filter Efficiency Ratings
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Long-Life Ultra-Efficiency Box Air Filters
Multiple panels maximize filtering surface area for long service life. These MERV 14 air filters capture particles down to 0.3 microns. They have a rigid frame that withstands fluctuations in airflow, such as those created by variable air volume systems.
Actual size is up to 5/8" less than trade size.
Eight-panel filters have more surface area than four-panel filters for an even longer service life.
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 | Frame Material | Max. Temperature, °F | Each | |
4 Panels | ||||||||||
12" Thick | ||||||||||
| 12 × 24 | 14 | 75% | 90% | 95% | 0.3 | Fiberglass | Plastic | 180° | 0000000 | 000000 |
| 20 × 24 | 14 | 75% | 90% | 95% | 0.3 | Fiberglass | Plastic | 180° | 0000000 | 000000 |
| 24 × 24 | 14 | 75% | 90% | 95% | 0.3 | Fiberglass | Plastic | 180° | 0000000 | 000000 |
8 Panels | ||||||||||
12" Thick | ||||||||||
| 12 × 24 | 14 | 75% | 90% | 95% | 0.3 | Fiberglass | Plastic | 180° | 0000000 | 000000 |
| 20 × 24 | 14 | 75% | 90% | 95% | 0.3 | Fiberglass | Plastic | 180° | 0000000 | 000000 |
| 24 × 24 | 14 | 75% | 90% | 95% | 0.3 | Fiberglass | Plastic | 180° | 0000000 | 000000 |
Ultra-Efficiency Box Air Filters
These MERV 14 air filters capture particles down to 0.3 microns. They have a rigid frame that withstands fluctuations in airflow, such as those created by variable air volume systems.
Filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.
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 | Frame Material | Max. Temperature, °F | Each | |
6" Thick | |||||||||
Fiberglass | |||||||||
| 12 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 0000000 |
| 20 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 000000 |
| 24 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 000000 |
12" Thick | |||||||||
Fiberglass | |||||||||
| 12 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 000000 |
| 20 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 000000 |
| 24 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 000000 |
Aluminized Fiberglass | |||||||||
| 12 × 24 | 14 | 75% | 90% | 95% | 0.3 | Aluminized Steel | 900° | 0000000 | 000000 |
| 24 × 24 | 14 | 75% | 90% | 95% | 0.3 | Aluminized Steel | 900° | 0000000 | 000000 |
Bag Air Filters
The deep pockets on these filters maximize filtering surface area with minimal airflow resistance. Actual size is 5/8” less than trade size.
Filter Efficiency @ | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HVAC Filter Trade Size | Dp. | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temperature, °F | Each | |
MERV 14 | ||||||||||
| 20 × 20 | 15" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 000000 |
| 20 × 20 | 22" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
| 20 × 24 | 15" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
| 20 × 24 | 22" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
| 24 × 24 | 15" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
| 24 × 24 | 22" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
| 24 × 24 | 30" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |