Lennox Air Filters & Cleaners
9 OEM air filters & cleaners that fit Lennox furnaces, verified against our model compatibility database.
Compatibility Guaranteed1-778-759-9864
These air filters & cleaners also fit Concord, Ducane, Armstrong and Aire-Flo equipment — Lennox builds those furnaces and they share the same replacement parts.
Showing 1–9 of 9
30" X 58" X 1" LENNOX HAMMOCK FILTER
Part #: 345-002
In Stock
$26.00
25" x 16" x 5" Healthy Climate HCF16-11 Filter, MERV 11
Part #: 345-015
In Stock
$69.00
20" X 25" X 5" HEALTHY CLIMATE HCF20-11 MERV 11
Part #: 345-018
In Stock
$69.00
12.5" X 16" X 1" HONEYWELL POST FILTER X2
Part #: 345-037
In Stock
$94.00
H/C PUREAIR PHOTOCATALYTIC CARTRIDGE
Part #: 345-055
In Stock
$126.00
LENNOX A/C DUCTLESS SPLIT FILTERS PACKS OF 2
Part #: 345-070
Call for availability
$14.00
LENNOX A/C DUCTLESS SPLIT FILTER
Part #: 345-075
Call for availability
$2.00
LIFEBREATH MERV 13 FILTER (PACK OF 4)
Part #: 345-143
In Stock
$189.00
LIFEBREATH HRV/ERV WASHABLE FILTER 8.125" X 13" X 0.75"
Part #: 345-201
In Stock
$30.00
Know your model number?
Search your Lennox model to see only the parts verified to fit that exact furnace.