21x21x2 (20.5x20.5x1.75) APR 650
Accumulair Replacement Filter
$13.19
- MERV 8 Rating
- Each filter lasts up to 3 months.
- Electrostatic charge captures airborne allergens SMALLER THAN 1 micron including fine dust, smoke, dander, mold, pet dander and dust mites. Also traps most large allergens including pollen and lint.
Will not support the growth of bacteria, mold, mildew or fungi in normal use.
- Merv 8 furnace filters and AC filters can remove indoor air contaminants such as pollen, dust, lint, dust mites debris and pet dander. HVAC filters with an electrostatic charge have fibers that contain both negative and positive charges in the filter fibers. The charged fibers attract dust and airborne particles to make your home's air clean and safe for you and your family. Indoor air quality has been named as one of the top 5 environmental health risks by the FDA because of pollutants such household cleaning products, mold, smoke and more. Change your home's HVAC filters regularly to ensure your home's air is clean year-round.
-
Share
-
-
-
-
- Type Furnace Filter
- Item# FB21X21X2
- Brand Accumulair
- Size 21x21x2
- Actual 20.5x20.5x1.75
- APR 1950
- APR 1550
- Carbon
APR vs MERV
APR
APR stands for Accumulair Performance Rating. This rating has been established by the manufacturer of the Accumulair Filters. This rating exists to demonstrate the different levels of efficiency throughout the Accumulair filter line. Generally speaking, the higher the APR, the better the filter performs in capturing small airborne particles. This rating system is an internal rating system and applies to Accumulair filters only.
MERV
MERV stands for Minimum Efficiency Reporting Value. It is a number from a test method designed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE). The number is intended to help people compare filters. Generally speaking, a higher MERV rating indicates better filter performance.
Performance Comparison
Merv 6Basic |
Merv 8Good |
Merv 11Better |
Merv 13Best |
|
|---|---|---|---|---|
Lint |
✓ | ✓ | ✓ | ✓ |
Dust Mites |
✓ | ✓ | ✓ | ✓ |
Mold Spores |
✓ | ✓ | ✓ | ✓ |
Pollen |
✓ | ✓ | ✓ | ✓ |
Pet Dander |
✓ | ✓ | ✓ | ✓ |
Fine Dust |
✓ | ✓ | ✓ | |
Auto Emmissions |
✓ | ✓ | ||
Smoke |
✓ | ✓ | ||
Very Fine Dust |
✓ | |||
Bacteria |
✓ |
