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18x20x1

Get premium quality 18x20x1 furnace filters made by CAMFIL. Compare Camfil filters:

	CAMFIL AP-3	CAMFIL 30/30	CAMFIL AP-11
MERV	8	8	11
LIFESPAN	2 months	3 months	3 months
COST PER FILTER	$9.33	$9.92	$13.08
PRICE 12-PACK	$112	$119	$157
OVERVIEW	economical	best overall value	remove allergens at low cost

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

18x20x1 Furnace Filter Camfil AP-3. (12-pack) ~~US$103.13~~ US$84.93

MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $9.33 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV...

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18x20x1 Furnace Filter Camfil 30/30. (12-pack) ~~US$109.20~~ US$90.24

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 $9.92 per filter!...

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18x20x1 Furnace Filter Camfil AP-11. (12-Pack) ~~US$138.01~~ US$119.05

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 $13.08 per furnace...

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