21x21x1 (20.5x20.5x1) 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.
- Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow.
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. An electrostatic HVAC filter has fibers that are charged both positively and negatively. This helps the air filter attract airborne particles such as dust and makes your home's air cleaner and safe to breathe in long-term. People spend up to 90% of time indoors being exposed to indoor air pollutants such as mold, building materials dust, smoke and household cleaning products. Change your home air filter regularly to avoid negative long-term health issues.
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- Type Furnace Filter
- Item# FB21X21
- Brand Accumulair
- Size 21x21x1
- Actual 20.5x20.5x1
- APR 2250
- 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 |
✓ |
