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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	$14.17	$19.83	$20.67	$31.67
PRICE 6-PACK	$85	$119	$124	$190
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$87.32~~ US$63.99

MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $14.17 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV...

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20x20x4 Furnace Filter Camfil 30/30. (6-pack) ~~US$116.68~~ US$89.58

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 $19.83 per filter!...

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20x20x4 Furnace Filter Camfil AP-11. (6-pack) ~~US$120.45~~ US$93.35

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 $20.67 per furnace...

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20x20x4 Furnace Filter Camfil AP-13. (6-pack) ~~US$175.40~~ US$143.03

MERV 13: Highest Efficiency filtration. The BEST Canadian homeowners can buy! Better performance, superior results for a cleaner, safer home. And at just $31.67 per filter, you’re paying for superior dust and allergen...

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