PUREFLOW® Home Air Filter MERV 11, 21.5x24x1 Furnace Filter, 4 Layer High Efficiency Filtration for Dust, Smoke, Fumes, Pollutants (4 - Pack)
- 1st Stage: Particulate filtration media captures and eliminates matter such as dust and pollen. Electrostatically charged to attract and...Read More
- 2nd & 3rd Stage Activated Charcoal layer that traps and mold harmful gases - e.g. carbon monoxide, sulfur dioxide. This layer is combined with Baking soda to absorb bad smells resulting from mold and smoke.
- 4th Stage filtration that employs special fibers acting as barrier to trap mold.
PUREFLOW® Advanced Home Air Filters deliver enhanced HVAC filtration performance for everyday homes. Designed with MERV 11 rated multi-layer filtration media, Advanced captures smaller airborne particles than basic filters while maintaining balanced airflow for reliable heating and cooling system performance.
- MERV 11 FILTRATION PERFORMANCE. PUREFLOW Home Air Filters are designed to capture dust, smoke, fumes, pollen, pet dander, lint, and other common airborne particles for everyday home air filtration.
- HELPS IMPROVE INDOOR AIR QUALITY. Multi-layer filtration media helps reduce particles moving through your HVAC system, making these filters a practical choice for homes with pets, kids, guests, or high daily activity.
- BALANCED AIRFLOW DESIGN. Built to support consistent airflow through your furnace, air conditioner, or HVAC system while helping to maintain efficient heating and cooling performance.
- 4-LAYER FILTER MEDIA. High-efficiency layered construction captures smaller airborne particles than basic fiberglass filters can collect. This also helps protect your HVAC system from dust buildup.
- CONVENIENT 4-PACK REPLACEMENT SET. Includes four 21.5x24x1 MERV 11 air filters for routine filter changes in residential HVAC systems, furnaces, and AC units. Replace regularly for best performance.
Width
21.5
Height
24
Depth
1
