18x24x1 (17.7x23.7x1) MPR 1000
3M Filtrete Replacement Filter
$21.11
- 1000 Performance Rating, MERV 11 Rating.
- Up to 30 times more effective at capturing micro particles than ordinary fiberglass filters.
- Meets the American Lung Association's Health House Project indoor air quality guidelines.
- Outperforms all competitors' 3 month, 1" filters.
- Captures:
- Airborne micro particles, including smoke.
- Airborne allergens, including pollen, pet dander, mold and bacteria.
- Large particles like dust and lint.
- Up to 3 months of filtering performance.
- No unnecessary antimicrobial chemicals added. Filtrete filtering material will not support the growth of bacteria, mold, mildew or fungi in normal use.
- Merv 11 furnace filters and AC filters clean your home's air of indoor air pollution including: mold spores, lint, dust, pet dander, pollen and more. The EPA has named Indoor Air Quality (IAQ) as one of the top 5 environmental health risks. Today, people spend almost 90% of their time indoors exposed to air contaminants such as household cleaning products, pet dander, secondhand smoke, mold and more. Change your home air filters regularly to avoid temporary discomfort and the long-term health effects of breathing dirty air.
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 Filtrete Allergen Defense 1000 Filter by 3M)
- Type Furnace Filter
- Item# MA18X24
- Brand 3M Filtrete
- Size 18x24x1
- Actual 17.7x23.7x1
- Efficiencyi MPR 1000 / N/A
- Size: 12x12x1
- Brand: 3M Filtrete
- Efficiency: MPR 1500
- Size: 12x20x1
- Brand: 3M Filtrete
- Efficiency: MPR 1500
- Size: 12x24x1
- Brand: 3M Filtrete
- Efficiency: MPR 1500
- Size: 12x30x1
- Brand: 3M Filtrete
- Efficiency: MPR 1500
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 |
✓ |