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filtration-montreal

18x24x4

Buy 18x24x4 filters now, Get FREE shipping today!

  • 18x24x4 Furnace Filter

    18x24x4 Furnace Filter. (6-pack) $128.00 $108.00

    Merv 8. $18 per filter. lifespan 4 months. FREE shipping. exact sizes: 17 3/8 x 23 3/8 x 3 3/4 inches inches. GET EXTRA $10 OFF TODAY WHEN YOU SIGN UP FOR NEWSLETTERS. Buy in bulk and save when you purchase a...

  • 18x24x4 Furnace Filter Merv 8

    18x24x4 Furnace Filter Merv 8. (6-pack) $175.00 $155.00

    Merv 8+ "BEST-selling 5-Star rated". $25.84 per filter. lifespan 6 months. FREE shipping. exact sizes: 17 1/2 x 23 1/2 x 3 3/4 inches. (DID YOU MEASURE YOUR FILTER?) Get EXTRA $10 OFF TODAY when you signu up to...