- 
                  
Totaline P101-1625M - 16" x 25" Star Series Electronic Air Cleaner Media Pads, 3-Pack (6 Pads)Regular price $44.53 USDRegular priceUnit price / per- 
                  
Carrier & Bryant PGAPXXCAR2025 - Performance/Preferred Air Purifier Filter 20" x 25" x 3.5" MERV 13Regular price From $136.85 USDRegular priceUnit price / per- 
                  
Trane FLRQB5AH23M13 - 22.7" x 20" x 4.7" Quikbox Filter Media 2-Pack, MERV 13Regular price $74.39 USDRegular priceUnit price / per- 
                  
Koch 102-700-003 - 14" x 20" x 1" Pleated Air Filter, MERV 8Regular price From $20.83 USDRegular priceUnit price / per- 
                  
Koch 102-041-008 - 16" x 24" x 1" Pleated Filter, MERV 8Regular price From $22.53 USDRegular priceUnit price / per- 
                  
TRI-DIM 050162001 16x20x1 TRI-DEK 15/40 3-Ply MERV 8 Filter MediaRegular price From $18.99 USDRegular priceUnit price / per- 
                  
Goodman AMP-13-1625-45 - 16" x 25" x 4.5" Clean Comfort Air Filter, MERV 13Regular price From $49.99 USDRegular priceUnit price / per- 
                  
Koch 102-700-010 - 24" x 24" x 1" Pleated Air Filter, MERV 8Regular price From $21.71 USDRegular priceUnit price / per- 
                  
Koch 102-700-004 - 14" x 25" x 1" Pleated Air filter, MERV 8Regular price From $21.22 USDRegular priceUnit price / per- 
                  
Koch 102-041-015 - 18" x 20" x 1" Pleated Air Filter, MERV 8Regular price From $22.43 USDRegular priceUnit price / per- 
                  
Koch P8S2-294-354 - 30" x 36" x 2" Pleated Filter for Geothermal Systems, MERV 8Regular price From $61.54 USDRegular priceUnit price / per- 
                  
Honeywell TRN1727T1 - 17.5" x 27" x 5" MERV 10 Trane Perfect Fit Replacement Air FilterRegular price From $69.42 USDRegular priceUnit price / per- 
                  
Koch 274-140-200 - 14" x 20" x 1" Disposable Dual-Density Fiberglass Filter Panel, MERV 4/5Regular price From $19.30 USDRegular priceUnit price / per- 
                  
Glasfloss M1120254 - 20" x 25" x 4" MERV 11, Z-Line Pleated Air FilterRegular price From $33.01 USDRegular priceUnit price / per- 
                  
Rheem PD540045 (2-Pack) - 24.5" x 28" x 5" Exact-Fit Filter for Air Cleaner AXGF-E24AM, MERV 8Regular price $107.81 USDRegular priceUnit price / per- 
                  
Dynamic C3P2020 20" x 20" x 1" Polarized Carbon Insert Filter Media, 3 PackRegular price $80.38 USDRegular priceUnit price / per- 
                  
Emerson FR1600M-111 - 20" x 20" x 4" Air Filter for Air Cleaner ACM1600M-108, MERV 11Regular price From $39.41 USDRegular priceUnit price / per- 
                  
Honeywell TRN2121T1 - 21.5" x 21" x 5" MERV 10 Trane Perfect Fit Replacement Air FilterRegular price From $69.12 USDRegular priceUnit price / per- 
                  
Respicaire RES-4PADEMCD1620 - 16" x 20" x 1" MicroClean 95 Media Pads, 3-PackRegular price $36.68 USDRegular priceUnit price / per- 
                  
Lennox X5803 - Healthy Climate 94287161 8" HEPA Annual Kit for HEPA-20Regular price $132.97 USDRegular priceUnit price / per- 
                  
Koch 102-041-012 - 20" x 30" x 1" Pleated Air Filter, MERV 8Regular price From $27.11 USDRegular priceUnit price / per- 
                  
Honeywell TRN2321T1 - 23.5" x 21.5" x 5" MERV 10 Trane Perfect Fit Replacement Air FilterRegular price From $71.53 USDRegular priceUnit price / per- 
                  
Koch 102-041-042 - 16.375" x 21.5" x 1" Pleated Air Filter, MERV 8Regular price From $24.18 USDRegular priceUnit price / per- 
                  
Aprilaire 113 - 16" x 20" x 4" Healthy Home Expandable Filter, MERV 13Regular price From $65.96 USDRegular priceUnit price / per
Collection: Furnace Filters
All HVAC systems need air filters - DiscountFurnaceFilter.com carries air filters for all HVAC systems! Browse our vast inventory of genuine, OEM filters manufactured by the heating and cooling brands you know and trust, including:
- Aprilaire
- Lennox
- Honeywell
- Carrier
 
- Bryant
- Philanthro
- Trane
- Trion Air Bear
- And more!
Replacement furnace filters need to be changed on a regular basis. How frequently you need a new one depends on your home’s air quality, the filter itself, and your HVAC system usage. Whenever you need replacement air filters, DiscountFurnaceFilter.com is here to help. Order single filters or multi-packs and save, plus always have a new filter at the ready when it’s needed.
Furnace filters keep your HVAC clean and improve air quality within your home. When you change your air filters, you re-up protection for your heating and cooling equipment, safeguarding its internal components from performance-diminishing contaminant buildup. Also, keep these contaminants out of your air supply to reduce allergy symptoms and boost indoor comfort!
Shop DiscountFurnaceFilter.com for serious savings on the furnace filters and air filters you need to enhance the performance of your HVAC equipment. Our vast selection of air filters from major manufacturers include numerous sizes and MERV ratings so you are able to choose the right option for your home. Here you’ll find the lowest prices available for quality furnace filters, plus increase your savings when you qualify for free shipping within the Continental U.S. on orders of $50 or more!
Get started now – browse the DiscountFurnaceFilter.com selection of air filters and furnace filters. Search by brand, size, MERV rating, and more! If you need help selecting an air filter, please reach out to our dedicated customer support team – our HVAC experts are happy to assist and put our knowledge to work for you.
 
               
               
      
         
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
 
              
