21x21x4 (Actual Size). Accumulair MERV 11 Filters.
Accumulair Platinum Series MERV 11 Filters - 4 inch thickness. Supercharged pleated panel filtering media ideally suited for capturing fine airborne allergens such as dust, smoke, dander, mold, pet dander, and dust mites - attracts particulates like dust to a TV screen.
Uniform pleat shape enhances dust holding capacity and maximizes air flow. Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Heavy duty construction frame prevents airflow bypass. Lasts UP TO 3 months. This product is listed and rated by Underwriters Laboratories as U.L. Class 2.
| HVACQuick.com | |
|---|---|
| Product Category | Air Filters (industrial) |
| Product Number | FA21X21X4 |
| Product Name | Accumulair 4 Inch Filters - MERV 11 |
