20x20x4

20x20x4 furnace filter. Premium quality made by CAMFIL.
  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 $21.67
$30.67
$31.83
$44.17
PRICE 6-PACK $130
$184 $191
$265
 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. 
CAMFIL MAKES PREMIUM QUALITY FILTERS THAT ARE TRUSTED BY CANADIAN HEALTH CARE PROVIDERS ACROSS CANADA.

20x20x4-furnace-filter-by-camfil.png

  • 20x20x4 Furnace filter

    Camfil

    20x20x4 Furnace Filter Camfil AP-3. (6-pack)

    MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $21.67 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV 8 Lifespan: 4 months Exact size: 19...

    Was: $143.00
    Now: $130.00
    Add to Cart
  • 20x20x4 air filter merv 8

    Camfil

    20x20x4 Furnace Filter Camfil 30/30. (6-pack)

    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 $30.67 per filter! This second-generation Merv 8...

    Was: $202.00
    Now: $184.00
    Add to Cart
  • 20x20x4 air filter merv 11

    Camfil

    20x20x4 Furnace Filter Camfil AP-11. (6-pack)

    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 $31.83 per furnace filter! Most popular option for...

    Was: $210.00
    Now: $191.00
    Add to Cart
  • 20x20x4 Furnace Filter Merv 13

    Camfil

    20x20x4 Furnace Filter Camfil AP-13. (6-pack)

    MERV 13: Highest Efficiency filtration. The BEST Canadian homeowners can buy! Better performance, superior results for a cleaner, safer home. And at just $44.17 per filter, you’re paying for superior dust and allergen removal without the name brand...

    Was: $292.00
    Now: $265.00
    Add to Cart
Compare Selected