- $39.95Filters Fast 12x18x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 11.75"x17.75x0.75, 6 PackAmazon
- $38.9820 x 25 x 4 Pleated Furnace Air Filter FPR 10, MERV 12The Home Depot
- $38.9820 x 25 x 5 Pleated Furnace Air Filter FPR 8, MERV 10The Home Depot
- $38.9816 x 25 x 4 Pleated Furnace Air Filter FPR 10, MERV 12The Home Depot
- $38.9816 x 20 x 4 Pleated Furnace Air Filter FPR 10, MERV 12The Home Depot
- $38.9816 x 25 x 5 Pleated Furnace Air Filter FPR 8, MERV 10The Home Depot
- $49.9820 x 25 x 5 Pleated Furnace Air Filter FPR 8, MERV 10 (2-Pack)The Home Depot
- SALEDemiwise 16x20x1 Electrostatic Air Filter, 8 Stage Washable Aluminum AC/HVAC Furnace Filter, Reusable Permanent Air Filter, Lasts a Lifetime, Easy to Install, Healthier Home/Office EnvironmentAmazon・Sale
- $28.7216 in. x 25 in. x 2 in. Allergen Pleated Furnace Air Filter MERV 12 (3-Pack)The Home Depot
- $48.4920 in. x 25 in. x 2 in. Allergen Pleated Furnace Air Filter MERV 12 (3-Pack)The Home Depot
- $28.7220 in. x 20 in. x 2 in. Allergen Pleated Furnace Air Filter MERV 12 (3-Pack)The Home Depot
- $13.9720 in. x 25 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11The Home Depot
- $13.9720 in. x 20 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11The Home Depot
- $13.9720 in. x 30 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 1The Home Depot
- $13.9716 in. x 25 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11The Home Depot
- SALESave on UBeesize 12x12x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MERV 8, Washable, Lasts a Lifetime,Permanent Air Filter,Breathe Fresher,Home And Office(Actual Size:11.69x11.69x0.86 Inch) and moreAmazon・Sale
- $13.9716 in. x 20 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11The Home Depot
- $22.9716 in. x 20 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9714 in. x 30 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9712 in. x 12 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9712 in. x 24 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9720 in. x 20 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9714 in. x 14 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- SALEUBeesize Reusable Air Filter 20x20x1 (9-Pack), MERV 8 MPR 700 AC/HVAC Furnace Filters,Deep Pleated Air Cleaner, (Actual Size 19.5 x 19.5 x 0.8 Inches),1x Reusable ABS Frame+9 x Filter,Breathe FresherAmazon・Sale
- $22.9720 in. x 30 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9714 in. x 20 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9714 in. x 24 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9716 in. x 25 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $22.9720 in. x 25 in. x 1 in. Allergen Plus Pleated Furnace Air Filter FPR 7, MERV 11 (2-Pack)The Home Depot
- $43.29and upFiltrete 16x25x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.69 x 24.69 x 0.78 in)Amazon & 1 more
- $64.96Filter King 21x21x1A Carbon Air Filters | 4 Pack | Carbon MERV 8 HVAC Pleated AC Furnace Filter | Actual Size: 21 x 21 x .75"Amazon
- SALESave on Demiwise 18x30x1 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
- $39.96Filter King 6x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 14 x .75"…Amazon
- $115.92and upFiltrete Ultra Allergen Furnace Air FilterWayfair & 1 more