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filtration-montreal

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

    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...

  • 20x20x4 air filter merv 8

    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!...

  • 20x20x4 air filter merv 11

    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...

  • 20x20x4 Furnace Filter Merv 13

    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...