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18x24x4

  • 18x24x4 Furnace Filter

    Camfil

    18x24x4 Furnace Filter Merv 8. (6-pack)

    MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $27.67 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV 8 Lifespan: 4 months Exact...

    Was: $183.00
    Now: $166.00
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  • 18x24x4 Furnace Filter Merv 8

    Camfil

    18x24x4 Furnace Filter Merv 8 Extra. (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 $39.67 per filter! This second-generation Merv 8...

    Was: $261.00
    Now: $238.00
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  • 18x24x4 furnace filter MERV 11

    Camfil

    18x24x4 Furnace Filter Merv 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 $35.50 per furnace filter! Most popular option for...

    Was: $234.00
    Now: $213.00
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  • 18x24x4 Air Filter Merv 13

    Camfil

    18x24x4 Furnace Filter Merv 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 $38.17 per filter, you’re paying for superior dust and allergen removal without the name brand...

    Was: $252.00
    Now: $229.00
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