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18x24x4

Get premium quality 18x24x4 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	$18	$25.84	$23.67	$30.17
PRICE 6-PACK	$108	$155	$142	$181
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.

18x24x4 Furnace Filter Camfil AP-3. (6-pack) ~~$128.00~~ $108.00

MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $18 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV 8...

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18x24x4 Furnace Filter Camfil 30/30. (6-pack) ~~$175.00~~ $155.00

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 $25.84 per filter!...

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18x24x4 Furnace Filter Camfil AP-11. (6-pack) ~~$162.00~~ $142.00

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 $23.67 per furnace...

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18x24x4 Furnace Filter Camfil AP-13. (6-pack) ~~$201.00~~ $181.00

MERV 13: Highest Efficiency filtration. The BEST Canadian homeowners can buy! Better performance, superior results for a cleaner, safer home. And at just $30.17 per filter, you’re paying for superior dust and allergen...

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