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Home  | Indoor (1583)  | Air Quality Improvement (297)  | Safe Home® Air Purification Furnace Filters (77)

Safe Home Duo Air Purify Furnace Filter 16x25x4 In.

Item Code
SH-DUO4-1625
Our Price
$78.95
Retail Price
$156.70
You save
$77.75 (50%)
Weight
6.0 Pounds
UPC Code
729440280284
Currently In Stock (7/21/2018)
4 Inch HVAC Furnace Air Pollution Filter for 4 or 5 Inch Return Air Filter Slots

Duo 4 by Safe Home Filters, disposable furnace filter, is 16 x 25 x 4 inches.   Air filter fits tightly in furnace  return air filter slot. SafeHome Duo 4 MERV 8 polyester plus VOC filter has twin filters. Traps hazardous chemicals, odors and allergens: allergy dust filter and a potassium permanganate and activated carbon filter for odors and volatile organic compounds such as fumes from formaldehyde. Note: All furnace filters with external frames are made slightly smaller than the noted dimensions in order to fit into the furnace filter slots. This is an industry standard. Note: Check with your HVAC technician to verify your system can use a MERV 8 filter before purchasing this or any other MERV 8 filter. Install this MERV 8 with Air Flow First Going through the White Media. Made in USA.

Self sealing edges for maximum effectiveness at capturing allergens, odors, and chemicals from the air in furnace filter slots, temporary needs, or custom sizes in air return grills. Duo4 replaces any 4" thick home air filter in any location and can last up to 9 months.  Note: This furnace filter is not a control device for radon, carbon monoxide or carbon dioxide. 

Safe Home Duo4 Filter 16 x 25 x 4 inch filter captures 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.Twin filter pad:  MERV 8 polyester white ASHRAE rated allergen filter plus an industrial chemical and odor filter, i.e. the activated carbon filter pad. Made in USA.

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. Product is not packaged for sale outside of the United States. Please measure carefully or choose a filter size identical to the one in your furnace. Units that are removed from wrappings or bent from being pushed into filter slots are not returnable .

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