Skip to Navigation Skip to Content

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Air Filters

Parts Town has a large selection of air filter replacements to maintain optimal indoor air quality.

In a bind and need parts today? 
1-hour pickup  Your Location:
  • Carrier 16X25X1-M13-C-P4 MERV 13 1" Air Filter, 16" x 25" x 1", 4 PK
    List Price: $ 30.27
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 16X25X1-M13-C-P4
    • CIA16X25X1-M13-C-P4
    • Quantity Available: 121
    Something went wrong. Please try again.
  • Carrier 14X20X1-M8-C-P4 MERV 8 1” Air Filter, 14” x 20” x 1”, 4 PK
    List Price: $ 16.33
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 14X20X1-M8-C-P4
    • CIA14X20X1-M8-C-P4
    • Quantity Available: 85
    Something went wrong. Please try again.
  • International Environmental Corporation F185-71071610 Air Filter, 12.5" x 24.25" x 1", MERV 8
    List Price: $ 17.77
    My Price:
       
    • Mfr: International Environmental Corporation
    • Mfr Part #: F185-71071610
    • IECF185-71071610
    • Quantity Available: 45
    Something went wrong. Please try again.
  • Carrier 18X24X1-M8-C-P4 MERV 8 1” Air Filter, 18” x 24” x 1”, 4 PK
    List Price: $ 19.32
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 18X24X1-M8-C-P4
    • CIA18X24X1-M8-C-P4
    • Quantity Available: 77
    Something went wrong. Please try again.
  • Carrier 20X24X1-M10-C-P4 Air Filter, 20" x 24" x 1", MERV 10, Pack of 4
    List Price: $ 25.18
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 20X24X1-M10-C-P4
    • CIA20X24X1-M10-C-P4
    • Quantity Available: 46
    Something went wrong. Please try again.
  • Carrier 12X24X1-M8-C-P4 MERV 8 1” Air Filter, 12” x 24” x 1”, 4 PK
    List Price: $ 16.96
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 12X24X1-M8-C-P4
    • CIA12X24X1-M8-C-P4
    • Quantity Available: 54
    Something went wrong. Please try again.
  • Carrier 12X20X1-M10-C-P4 MERV 10 1" Air Filter, 12" x 20" x 1", 4 PK
    List Price: $ 24.86
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 12X20X1-M10-C-P4
    • CIA12X20X1-M10-C-P4
    • Quantity Available: 36
    Something went wrong. Please try again.
  • International Environmental Corporation F185-71071639 Air Filter, 10" x 28" x 1", MERV 8
    List Price: $ 21.21
    My Price:
       
    • Mfr: International Environmental Corporation
    • Mfr Part #: F185-71071639
    • IECF185-71071639
    • Quantity Available: 28
    Something went wrong. Please try again.
  • Carrier 12X20X1-M8-C-P4 MERV 8 1” Air Filter, 12” x 20” x 1”, 4 PK
    List Price: $ 22.25
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 12X20X1-M8-C-P4
    • CIA12X20X1-M8-C-P4
    • Quantity Available: 78
    Something went wrong. Please try again.
  • Carrier 14X20X1-M10-C-P4 MERV 10 1" Air Filter, 14" x 20" x 1", 4 PK
    List Price: $ 21.99
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 14X20X1-M10-C-P4
    • CIA14X20X1-M10-C-P4
    • Quantity Available: 34
    Something went wrong. Please try again.
  • Trane FLRQB5AH23M11 Filter, 5" Qwikbox, MERV11, 22.7" x 20", Pack of 2
    List Price: $ 60.00
    My Price: $ 60.00
       
    • Mfr: Trane
    • Mfr Part #: FLRQB5AH23M11
    • TRNFLRQB5AH23M11
    • Quantity Available: 51
    Something went wrong. Please try again.
  • Carrier 14X20X1-M13-C-P4 MERV 13 1" Air Filter, 14" x 20" x 1", 4 PK
    List Price: $ 26.91
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 14X20X1-M13-C-P4
    • CIA14X20X1-M13-C-P4
    • Quantity Available: 10
    Something went wrong. Please try again.
  • Carrier 16X20X1-M10-C-P4 MERV 10 1" Air Filter, 16" x 20" x 1", 4 PK
    List Price: $ 22.56
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 16X20X1-M10-C-P4
    • CIA16X20X1-M10-C-P4
    • Quantity Available: 3
    Something went wrong. Please try again.
  • Carrier 20X20X1-M8-C-P4 MERV 8 1” Air Filter, 20” x 20” x 1”, 4 PK
    List Price: $ 17.47
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 20X20X1-M8-C-P4
    • CIA20X20X1-M8-C-P4
    • Quantity Available: 104
    Something went wrong. Please try again.
  • Carrier 14X25X1-M13-C-P4 MERV 13 1" Air Filter, 14" x 25" x 1", 4 PK
    List Price: $ 30.60
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 14X25X1-M13-C-P4
    • CIA14X25X1-M13-C-P4
    • Quantity Available: 4
    Something went wrong. Please try again.
  • Carrier 14X25X1-M10-C-P4 MERV 10 1" Air Filter, 14" x 25" x 1", 4 PK
    List Price: $ 21.17
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 14X25X1-M10-C-P4
    • CIA14X25X1-M10-C-P4
    • Quantity Available: 5
    Something went wrong. Please try again.
  • Trane FLRQB5DN17M11 Filter, 5" Qwikbox, MERV11, 16.7" x 20", Pack of 2
    List Price: $ 79.19
    My Price:
       
    • Mfr: Trane
    • Mfr Part #: FLRQB5DN17M11
    • TRNFLRQB5DN17M11
    • Quantity Available: 3
    Something went wrong. Please try again.
  • Carrier 12X24X1-M10-C-P4 MERV 10 1" Air Filter, 12" x 24" x 1", 4 PK
    List Price: $ 19.38
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 12X24X1-M10-C-P4
    • CIA12X24X1-M10-C-P4
    • Quantity Available: 3
    Something went wrong. Please try again.
  • Carrier 24X25X1-M8-C-P4 MERV 8 1" Air Filter, 24" x 25" x 1", 4 PK
    List Price: $ 33.78
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 24X25X1-M8-C-P4
    • CIA24X25X1-M8-C-P4
    • Quantity Available: 1
    Something went wrong. Please try again.
  • International Comfort Products M81056 Air Filter Media, 20" x 25" x 5", Merv 11
    List Price: $ 68.70
    My Price:
       
    • Mfr: International Comfort Products
    • Mfr Part #: M81056
    • ICPM81056
    • Quantity Available: 6
    Something went wrong. Please try again.
  • Carrier 12X24X1-M13-C-P4 MERV 13 1” Air Filter, 12” x 24” x 1”, 4 PK
    List Price: $ 33.08
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 12X24X1-M13-C-P4
    • CIA12X24X1-M13-C-P4
    • Quantity Available: 1
    Something went wrong. Please try again.
  • Carrier 24X24X1-M10-C-P4 MERV 10 1" Air Filter, 24" x 24" x 1", 4 PK
    List Price: $ 29.19
    My Price:
       
    • Mfr: Carrier
    • Mfr Part #: 24X24X1-M10-C-P4
    • CIA24X24X1-M10-C-P4
    • Quantity Available: 1
    Something went wrong. Please try again.
  • Trane FLRQB5AH18M11 Qwikbox Replacement Filter, 17.7" x 20" x 4.7", MERV11, Pack of 2
    List Price: $ 88.00
    My Price: $ 88.00
       
    • Mfr: Trane
    • Mfr Part #: FLRQB5AH18M11
    • TRNFLRQB5AH18M11
    • Quantity Available: 1
    Something went wrong. Please try again.
  • Trane FLRQB5FR21M11 Filter, 5" Qwikbox, MERV11, 20.2" x 26", Pack of 2
    List Price: $ 60.00
    My Price: $ 60.00
       
    • Mfr: Trane
    • Mfr Part #: FLRQB5FR21M11
    • TRNFLRQB5FR21M11
    • Quantity Available: 1
    Something went wrong. Please try again.
24 of 372 items shown

Replacement Air Filters for Furnaces and HVAC

Air filters catch and trap contaminants and pollutants to keep your home or space healthy and happy. Parts Town carries a large selection of replacement air filters to improve indoor air quality. Able to fit most standard furnaces and HVAC systems, these filters have the capability of trapping pollen, dust, dander, mold and other contaminants. Find air filter options from manufacturers like Carrier, and choose from a selection of 1” air filters, MERV 8 air filters and MERV 10 air filters. 

Find the air filter you need with Parts Town. Don’t want to wait? We offer same-day shipping on in-stock residential air filter replacements until 9PM ET Monday-Friday, so you can get it in no time.

No matching models were found. Please try changing your search keyword or adjusting your search selections.
No matching models were found. Please try changing your search keyword or adjusting your search selections.