Best Furnace Filter For Lennox

United Filter 16x25x5 MERV 11 Furnace Filter (5-Pack), Pleated HVAC AC Furnace Air Filter Compatible with Honeywell FC100A1029, Lennox X6670, Carrier, Bryant (Actual Size: 15.75 x 24.75 x 4.38)

Honeywell Furnace Filter FC100A1029 16x25x4 Replacement Media Filters- PACK OF 3

Lennox Healthy Climate 20 x 25 x 5 Part # X6673 MERV 11 Model HCF 20-11 Case of 3

Lennox Healthy Climate 16x25x5 X6670 MERV 11 Filter-Actual Size 15 3/4" x 24 3/4" x 4 3/8". Pack of 3.

X6672 MERV 16 16x25x5 Furnace Filter Compatible with Lennox X6672 Healthy Climate Carbon Clean for Furnace HVAC System, Part #HCF16-16, 16x25x5 (Actual Size: 15.7 x 24.7 x 4.4 In), 2-Pack

2 Pack X6675 20x25x5 MERV 16 Air Filter Compatible with Lennox X6675 and Lennox HCC20-28 Healthy Climate Carbon Clean MERV 16 Furnace Filter for HVAC System, Part Number HCF20-16, HCF20-10

Facecool X6672 16 x 25 x 5 MERV 16 Filter Compatible with Lennox X6672 Healthy Climate Carbon for Furnace HVAC System, Part Number HCF16-16 (Actual Size: 15.79 x 24.69 x 4.33 Inches)

Lennox X6673 20 x 25 x 5 Replacement MERV 11. Actual Size 19 3/4" x 24 3/4" x 4 3/8." Made in Canada by Furnace Filters.Ca Pkg. of 3

Lennox x6670 HCF 16-11 MERV 11 16x25x5 Aftermarket/Generic. Actual Size 15 3/4" x 24 3/4" x 4 3/8". Case of 3 Made in Canada by Furnace Filters.Ca

X6670, FC100A1029 Replacement Filter | AirPurete AP-LX16255 | Actual Size 15-3/4" x 24-3/4" x 4-3/8" (16x25x5) | Merv 11 | Pack of 3 | Manufactured in United States