20x25x4

20x25x4 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 $25.33 $36.17 $34.67 $47.50
PRICE 6-PACK $152 $217 $208 $285
 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.

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