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filtration-montreal

18x20x1

Buy 18x20x1 filters now, Get FREE shipping today!

  • 18x20x1 Furnace Filter

    18x20x1 Furnace Filter Camfil AP-3. (12-pack) $136.00 $116.00

    MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $9.67 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV...

  • 18x20x1 Furnace Filter Merv 8

    18x20x1 Furnace Filter Camfil 30/30. (12-pack) $144.00 $124.00

    Merv 8+. Camfil 30/30. "BEST-selling 5-Star rated". $11.42 per filter. Lifespan 3 months. Exact sizes: 17 1/2 x 19 1/2 x 7/8 inches. (DID YOU MEASURE YOUR FILTER?) Get extra $10 OFF TODAY when you sign up to newsletters...

  • 18x20x1 Furnace Filter Merv 11

    18x20x1 Furnace Filter Camfil AP-11. (12-Pack) $182.00 $162.00

    Merv 11. Camfil AP-11 $13.50 per filter. Lifespan 3 months. Exact sizes: 17 1/2 x 19 1/2 x 7/8 inches. (Did you measure your filter?) Get extra $10 OFF TODAY when you sign up to newsletters. Buy in bulk and...