- $39.95Filters Fast 12x20x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 11.75"x19.75x0.75, 6 PackAmazon
- $36.96Aerostar 14x18x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 13 3/4" x 17 3/4" x 3/4")Amazon
- $53.05AC Safe AC-302/25R Economy Plus Air Conditioner Filter 25 Foot RollAmazon
- $4.99and upAC-Safe EconomyPlus 15 in. W X 24 in. H X 1/4 in. D Polyester 17 MERV Air Conditioner Filter 1 pkAce Hardware & 1 more
- SAVE $3.70$2.89$6.59AC Safe EconomyPlus 15 in. W x 24 in. H x 1/4 in. D Polyester Air Conditioner Filter-Total Qty, 1 Count (Pack of 1), Gray|GreyAmazon
- SAVE $5.04$69.95$74.99AIRx Filters Allergy MERV 11 AC Furnace Pleated Air Filter Replacement Box of 6, 18x20x1 Air Filter / 18x20x1 furnace filter Made in the USAAmazon
- $59.99AIRX FILTERS WICKED CLEAN AIR. 16x20x5 AKA 16x20x4 - Actual Size is 15.75 x 19.5 x 4.375 Inch Air Filter MERV 11 HVAC AC Replacement for Honeywell FC100A1003 Furnace Filter, Allergy 2-Pack. USA Made.Amazon
- SALEUBeesize 20x24x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MERV 8,Washable,Lasts a Lifetime,Permanent Air Filter,Breathe Fresher,Home And Office(Actual Size:19.61x23.39x0.86Inch)Amazon・Sale
- $35.0312x24x1 Air Filter MERV 8 Air Conditioner HVAC AC Furnace Filters (Actual Size 11.75 x 23.75) (4-Pack)Amazon
- $58.88AIRx Filters 20x25x5 MERV 11 HVAC AC Furnace Air Filter Replacement for Honeywell FC100A1037 FC35A1027 CF200A1016, Allergy 2-Pack, Made in the USAAmazon
- SAVE $10.50$23.49$33.99Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 15.719 x 24.72 x 0.84 in)Amazon
- $171.29d200 dual lamp air purifier whole house tio2 pco photocatalytic filter uv light in duct for hvac ac air conditioning duct germicidal hydroxyl.Newegg
- $45.56Aerostar 18x20x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 17 3/4"x19 3/4"x3/4")Amazon
- $23.49Filtrete 12x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 (Actual Size 11.719x23.72x0.85 in)Amazon