- $31.2220x20x1- Pleated HVAC Furnace Air Filter- Merv 9- Pack of 2Amazon
- $38.9816 x 25 x 4 Pleated Furnace Air Filter FPR 10, MERV 12The Home Depot
- SAVE $21.88$38.00$59.88FILTER for Furnace FBRGLS 20X20X1Amazon
- $48.99LUXOTON For AprilAire 413 Replacement Filter - For Aprilaire 410 Replacement Filter, Furnace Filters 16x25x4 MERV 13, Compatible with Air Purifier 1410 1610 2140 2410 2416 3410 4400 SG 2400 (1 Pack)Amazon
- $30.17Amazon Basics Merv 8 AC Furnace Air Filter - 12'' x 12'' x 1'', 6-PackAmazon
- $53.84Precisionaire Furnace Air Filter 20 " X 30 " X 1 " FiberglassAmazon
- $31.64Filter King Air Filter / Furnace Filter MERV 8Wayfair
- SALESave on Demiwise 14x25x1 Electrostatic Air Filter, 8 Stage Washable Aluminum AC/HVAC Furnace Filter, Reusable Permanent Air Filter, Lasts a Lifetime, Easy to Install, Healthier Home/Office Environment and moreAmazon・Sale
- $49.99Nordic Pure 16x20x1 MERV 7 Pleated AC Furnace Air Filters 6 PackAmazon
- $40.29Amazon Basics Merv 8 AC Furnace Air Filter - 14x20x1, 6-Pack,whiteAmazon
- $50.36Filter King Universal Air Filter for FurnaceWayfair
- $44.96Filter King 5x20x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 5 x 20 x .75"Wayfair