12" X 20" X 1" Lifetime Permanent Washable Filter
Permatron 3856-1220LRG | Our#: 178218
1 Year Purchase Guarantee - Free returns for a year, up to $1000 of purchase protection.
12" X 20" X 1" Low-Resistance, Electrostatic Permanent Washable Filter
(actual size - 11-1/2" X 19-1/2" X 7/8")
Never buy another filter! Our permanent washable filter is designed to provide great value and last a lifetime. This durable filter is constructed with a combination of woven polypropylene media supported by heavy-duty steel mesh in a galvanized steel frame. The filter carries a lifetime warranty and is ideal for heat pumps, sensitive 90+ efficient furnaces and systems with limited air flow. This is the best and last filter you will ever buy.
- Designed to minimize initial resistance to airflow
- Reduces the number of pollutants and allergens in recirculated air and keeps your HVAC system clean
- Uses natural static electricity to attract and capture airborne particles
- Washable - cleans up in minutes
- Includes anti-microbial polymeric protection
- Durable steel frame
- Dirt won't get caught in the filter during washing - due to specially-designed drainage ports in the filter frame
- Lifetime warranty
Clean Monthly by rinsing your filter with running water. For tough dirt and/or grease, use a mild detergent (i.e., 409 or Simple Green) and rinse thoroughly with warm water.
Average arrestance efficiency - 74%
Initial resistance - 0.07" w.g.
Dust holding capacity - 110 grams
By Richard h.
Filter ordering service
By Joan M.
Tired of box store filters
By Jonathan F.
Permanent Air Filter
Refrigerator Water Filter Tip #3:
When a new refrigerator filter is installed, there may be some sputtering and spitting of water while air is forced out of the filter media. This is normal and will stop after the carbon media becomes saturated with water.