Air Filters Made in the USA. Free Shipping to most U.S. states*. International shipping available. Subscriptions now available for certain products.
Lennox Replacement Filters (2 Pack) 20X25X5 Part # X5426, X6661, X6673, X6675, X8304, X8307, and X7751 MERV 8, 11

Lennox Replacement Filters (2 Pack) 20x25x5 Fits Part# X5426, X6661, X6673, X6675, X8304, X8307, and X7751 MERV 8, 11

Regular price $87.85 Sale

Shopify secure badge

Currently these have a 5 week +/- handling time.

2 Pack

MERV 8 or MERV 11, choose in dropdown menu above.

Replacement air filters fit into existing air filter housings. Replacements are pre-assembled for easy installation.


    • Replacement for Lennox part # X5426, X6661, X6673, X6675, X8304, X8307, and X7751
    • Fits Lennox and Healthy Climate model # HCF20-16, HCF20-10, BMAC-20C, HCXF20-15, HCC20-28, HCF20-10 and HCF20x16
    • Also replaces Honeywell Filter FC100A1037 / FC35A1027 / 203720
    • Nominal size 20" x 25" x 5" (Actual size 20" x 24 3/4" x 4 3/8")
    • Filter Media - 100 % synthetic gradient media
    • Filter Support Grid – 30 gauge galvanized expanded metal grid
    • Frame –moisture resistant 28 point beverage board
    • Assembly Technique – Media pack totally bound to frame
    • Max Temperature – 108 degrees Fahrenheit continuous service, Peaks 225 degrees Fahrenheit 

      *Trade names and company names are used for identification purposes only. 

      Photo is a stock photo.

      Also fits:

      Air Bear: 229990-102,248713-102,255649-102,259112-102

      Goodman: M8-1056,GBB2025,GMU2025


      Bryant: CMF2025,CNC2025

      Carrier: CMF2025,CNC2025

      York: YMU2025, YNC2025, MU2025

      Coleman: CEMU2025, CENC2025

      Electro-Air: EABB2025,EAMU2025,EANC2025,EARM2000

      Coleman: CEMU2025, CENC2025

      Totaline: P102-BB20, P102-MF20, P102-RAM200

      Nordyne: 918378, 919053

      Lennox: X6673,HCF20-10,X0586

      White Rodgers:FR2000U-108,FR2000U-110.

      Auto-renews, skip or cancel anytime.

      Auto-renews, skip or cancel anytime.

      Shopify secure badge