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filtration-montreal

20x20x4

Buy 20x20x4 filters now, Get FREE shipping today!

  • 20x20x4 Furnace filter

    20x20x4 Furnace Filter Camfil AP-3. (6-pack) $116.00 $96.00

    MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $16 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV 8...

  • 20x20x4 air filter merv 8

    20x20x4 Furnace Filter Camfil 30/30. (6-pack) $155.00 $135.00

    Merv 8+ "BEST-selling 5-Star rated" - $22.50 per filter - lifespan 6 months - FREE shipping - exact sizes: 19 3/8 x 19 3/8 x 3 3/4 inches. GET EXTRA $10 OFF TODAY WHEN YOU SIGN UP FOR NEWSLETTERS. Buy in bulk and save...

  • 20x20x4 air filter merv 11

    20x20x4 Furnace Filter Camfil AP-11. (6-pack) $160.00 $140.00

    Merv 11 - $23.34 per filter - lifespan 5 months - FREE shipping - exact sizes: 19 3/8 x 19 3/8 x 3 3/4 inches. GET EXTRA $10 OFF TODAY WHEN YOU SIGN UP FOR NEWSLETTERS. Buy in bulk and save when you purchase a 6-pack!...

  • 20x20x4 Furnace Filter Merv 13

    20x20x4 Furnace Filter Camfil AP-13. (6-pack) $233.00 $213.00

    Merv 13 - $38.84 per filter - lifespan 5 months - FREE shipping - exact sizes: 19 3/8 x 19 3/8 x 3 3/4 inches. GET EXTRA $10 OFF TODAY WHEN YOU SIGN UP FOR NEWSLETTERS. Buy in bulk and save when you purchase a 6-pack!...