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20x20x4

Get premium quality 20x20x4 furnace filters made by CAMFIL. Compare Camfil filters:

	CAMFIL AP-3	CAMFIL 30/30	CAMFIL AP-11	CAMFIL AP-13
MERV	8	8	11	13
LIFESPAN	4 months	6 months	5 months	5 months
COST PER FILTER	$16.50	$23.17	$24.17	$36.83
PRICE 6-PACK	$99	$139	$145	$221
OVERVIEW	economical	best overall value	remove allergens at low cost	superior dust and allergen removal

The higher the MERV rating on a filter, the fewer dust particles and other contaminants can pass through it.

20x20x4 Furnace Filter Camfil AP-3. (6-pack) ~~US$87.38~~ US$75.88

MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $16.50 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV 8...

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20x20x4 Furnace Filter Camfil 30/30. (6-pack) ~~US$122.64~~ US$106.54

MERV 8: Best selling -- 5 Star Rated with Innovative Technology. Ultimate filter for Canadian homeowners. Offers the best value for price, lifespan, and air quality with brand name reliability. Pay only $23.17 per filter!...

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20x20x4 Furnace Filter Camfil AP-11. (6-pack) ~~US$128.01~~ US$111.14

MERV 11: High Efficiency -- State of the art filtration capabilities remove allergens, the perfect choice for Canadian homeowners to elevate air quality. Brand name reliability at a low cost: pay only $24.17 per furnace...

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20x20x4 Furnace Filter Camfil AP-13. (6-pack) ~~US$194.69~~ US$169.40

MERV 13: Highest Efficiency filtration. The BEST Canadian homeowners can buy! Better performance, superior results for a cleaner, safer home. And at just $36.83 per filter, you’re paying for superior dust and allergen...

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