21x21.5x5 (20.1x21.1x5) MERV 11
Aftermarket Replacement For American Standard
$55.43
Accumulair Filter for American Standard
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Replaces American Standard Models:
- Nominal size 21" x 21 1/2" x 5" (Actual Size 20.1" x 21.1" x 5")
- Aftermarket replacement filter.
- Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry viruses.
- Superior frame strength utilizing double wall construction and die cut fingers.
- Up to twenty times more effective than ordinary fiberglass filters.
- High efficiency filter media collects small dust particles before they can collect on your coils.
- Lasts up to 6 Months
| BAYFTAH21M AFM215A0AH0 |
TFM215A0AH00 TFM215A0AH10 |
TFM215B0AH01 TFM215B0AH0A |
What is MERV
- 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.
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- Type Whole House Filter
- Item# DPFT21X21.5X5AM11=DAD
- Aftermarket Replacement For American Standard
- Size 21x21.5x5
- Actual 20.1x21.1x5
- MERV 8
- MERV 13
- Carbon Odor
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 |
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|---|---|---|---|---|
Lint |
✓ | ✓ | ✓ | ✓ |
Dust Mites |
✓ | ✓ | ✓ | ✓ |
Mold Spores |
✓ | ✓ | ✓ | ✓ |
Pollen |
✓ | ✓ | ✓ | ✓ |
Pet Dander |
✓ | ✓ | ✓ | ✓ |
Fine Dust |
✓ | ✓ | ✓ | |
Auto Emmissions |
✓ | ✓ | ||
Smoke |
✓ | ✓ | ||
Very Fine Dust |
✓ | |||
Bacteria |
✓ |
