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CAMFIL MAKES PREMIUM QUALITY FILTERS THAT ARE TRUSTED BY CANADIAN HEALTH CARE PROVIDERS ACROSS CANADA
18x24x4 is the nominal size. The exact size is 17 3/8 x 23 3/8 x 3 3/4 inches. All options are sold in packs of 6 filters. Our Camfil filter are available in four convenient options:
Each one has a unique MERV rating, lifespan, cost and specs. We can guide you on the best options for your unique needs.
MERV 8 (Camfil AP-3)
The MERV 8 Camfil AP-3 is our best value. Plus, you get high indoor air quality with an exceptional filter that rivals the brand name competition. This is the most affordable product of its size.
Highlights:
MERV 8 Extra Long Life Span (Camfil 30/30)
The best value for lifespan and air quality with brand name reliability, the MERV 8 Extra Long Life Span (Camfil 30/30) is 5 Star Rated with Innovative Technology. These filters give you twice the life span of other filters.
Highlights:
MERV 11 (Camfil AP-11)
High efficiency, state of the art filter removes allergens; your best option for high air quality. These Furnace Filters 18x24x4 are the most popular option for allergy sufferers at the most affordable price. AP-11 offers the highest efficiency with lowest cost of ownership.
Highlights:
MERV 13 (Camfil AP-13)
Merv 13: highest efficiency filtration. The best Canadian homeowners can buy! Better performance, superior results for a cleaner, safer home. Superior dust and allergen removal without the name brand price tag. Camfil AP-13 is proven to outlast other brands by 20%, featuring the lowest total cost of ownership.
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No matter which Camfil options you decide to go with, you get FREE Shipping on all our products with easy returns within 10 business days of receiving your order.