18" X 20" X 1" Lifetime Permanent Washable Filter
Model: 3856-1820LRG / Part: #178136
- Free Returns
- 100% Compatibility Guarantee
Designed to be used & re-used
- Filter is washable & permanent
- Reduces contaminants & allergens
- Helps keep your HVAC system clean
- Creates cleaner indoor air
- Last filter you'll ever need!
FREQUENTLY BOUGHT TOGETHER
FilterLOCK Furnace and Air Conditioning Filter Seal
MFG#: FilterLOCK
$19.95
Is this the right air filter for you?
If you want to protect your heating and cooling system from dust and dirt - and you are tired of buying disposable air filters, this is the air filter for you! This durable washable filter is designed to provide great value and last a lifetime. Don't drive around town looking for a washable air conditioner filter or furnace filter. Order online and will quickly ship to your front door!
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Designed to minimize initial resistance to airflow
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Reduces the number of pollutants and allergens in recirculated air and keeps your HVAC system clean
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Uses natural static electricity to attract and capture airborne particles
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Includes anti-microbial polymeric protection
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Durable steel frame
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Dirt won't get caught in the filter during washing - due to specially-designed drainage ports in the filter frame
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Lifetime warranty
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Wash every 30 days under normal use
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Made with pride in the USA
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100% free returns on all filters
What does this air filter remove?
Do you want to know about the technical specs?
| Nominal Dimensions | 18 x 20 x 1" |
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| Actual Dimensions | 17.5 x 19.5 x 0.875" |
| Filter Media | Woven polypropylene media |
| Filter Support Grid | Heavy duty steel mesh |
| Frame | Rugged steel frame |
| Max Temperature | 180F (82C) continuous service, peak 225F (107C) |
| Max Humidity | Resistant to 100% R.H. |
Designed to be used & re-used
- Filter is washable & permanent
- Reduces contaminants & allergens
- Helps keep your HVAC system clean
- Creates cleaner indoor air
- Last filter you'll ever need!