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Weird air filters inside the furnace | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
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Amazon.com: BestAir HW1625-11R AC Furnace Air Filter, 16" x 25" x 4", MERV 11, Removes Allergens & Contaminants, Fits 100%, For Honeywell Models, Pack of 3 : Tools & Home Improvement
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Amazon.com: K&N 20x30x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-12030 : Everything
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