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Home  | Indoor (1005)  | Air Quality Improvement (238)  | Safe Home® Air Purification Furnace Filters (58)

Safe Home DUO-1820 MERV8, 18 x 20 x 1 Inch Furnace Filter

Item Code
SH-DUO-1820
Our Price
$29.50
Retail Price
$39.00
You save
$9.50 (24%)
Weight
6.0 Pounds
Ships Within 10 Business Days (10/16/2019)
Air Purifier Furnace Filter 18x20x1 Slot Removes Dirt and Odors
 
Reduce sneezing from allergies by reducing dust, dirt, pollen allergens, odors and chemicals. Install a Safe Home™ Duo furnace filter, a unique effective air filter with two filters in one. Increases furnace filter efficiency for dust, dirt and pollen allergens and odors and chemicals. 18  by 20 i by 1 inch MERV 8 air purifier furnace filter fits any standard 1 inch air filter slot. Notice the difference in days.

Note: Check with your HVAC technician to verify that your system is new enough to handle a MERV 8 filter.


Safe Home Duo Filter Features:
  • Internal metal frame
  • Dimensions: 18" x 20" x 1"
  • 2 stage air filter: one MERV 8 rated polyester white allergen filter plus the activated carbon filter pad.
  • Captures up to 95% of common household allergens
  • Eliminates odors from pets, paint, cooking, and more
  • Uses high density carbon and advanced compounds
  • FormaldaSorb™, a patented potassium permanganate product plus the activated carbon in the second layer of the filter trap gasses that can cause health issues.
  • Highly effective and affordable.
  • Made in USA.
Safe Home Duo One Inch Thick Filter Installation:
  • Determine direction of air flow through your furnace.
  • Fold excess filter media around internal steel frame.
  • Slide Duo Furnace Filter into the one inch slot so air goes first through the white pre-filter.
  • Tuck in any excess so you can place cover, if any, over the end of the filter slot. Note: excess material helps seal edges to force all air through the filter.
  • Change the Duo air filter at least every 3 months. Some conditions that feature pets, construction work, painting or smoking may produce more pollutants and require more frequent changes.
Note: This furnace filter is not a control device for radon, carbon monoxide or carbon dioxide.

Limited Warranty: Free of manufacturing and material defects . If product is found defective within 30 days of purchase, it will be replaced at no additional charge.

Installation Instructions: 
The white side of the filter should face incoming air. In most systems, the white side should face away from the air handler or furnace equipment. Air should enter the white side, which traps allergens, and exit through the dark side, which traps gases and odors.

Product is not packaged for sale outside of the United States.
 
How does the Duo work? - The polyester outer layers remove pollen, mold spores, and other common allergens. The inner layer features FormaldaSorb™ and activated carbon that traps a variety of odors and hazardous gasses, such as formaldehyde, ammonia, and others that are emitted by cleaning chemicals, paint, particle board, and other household items. No other filters are as effective at removing dust mites, mold spores, pollen, odors, cleaning chemicals, ozone, paint fumes, and common gasses like formaldehyde which triggers asthma and allergies.


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