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We carry a variety of Lennox Furnace Filters products. Scroll down to browse by brand name or click on the brand name above. Scroll down to view them all, then simply click the BUY icon to place your item in the shopping cart for secure checkout.

FiltersUSA recommends changing your Lennox Furnace Filters filters at least every 10-12 months depending upon use. We carry a variety of Lennox Furnace Filters model products. Scroll down to view them all, then simply click the BUY icon to place your item in the shopping cart for secure checkout.

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Air Filters | Humidifier Filters | HEPA Media | FiltersUSA

33 Results —

Lennox Furnace Filters



	Brand: Lennox
	LENROLL	Lennox Filter Roll Fits all Lennox furnaces with basket filter frame 30" x 20 feet x 1" (1 Box) Old sku was Lennox	$24.95	$18.95
	30336	Lennox Washable Filter 30336 20x20x1 P-8-7829	$34.95	$24.95
	36K15	Lennox Metal filter Washable 18x19x1 Filter 36K15	$29.95	$24.95
	Brand: Lennox
	GREEN1625	NEW MERV 8 Green Polyester Hi Efficient Throw-a-way Filter Size 16x25x1 Long lasting throw-a-way Filter Change every 3-4 months GREAT BUY 4 Filters Per Pack Old number PW1, Note White side collects the dust.	$36.60	$24.95
	GREEN2020	New MERV 8 Green Polyester Hi-Efficient Throw-a-way Filter Size 20x20x1 Long lasting throw-a-way Filter. Change every 3-4 months GREAT BUY 4 Filters per Pack Old number PW5, Note: White side collects the dust.	$37.95	$25.95
	GREEN2024	NEW MERV 8 Green Polyester Hi Efficient Throw-a-way Filter Size 20x24x1 Long lasting throw-a-way Filter Change every 3-4 months GREAT BUY 4 Filters Per Pack Old sku PW6, Note: White side collects the dust.	$38.60	$26.95
	GREEN2025	NEW MERV 8 Green Polyester Hi Efficient Throw-a-way Filter Size 20x25x1 Long lasting throw-a-way Filter Change every 3-4 months GREAT BUY 4 Filters Per Pack Old number PW2, Note: White side collects the dust.	$39.00	$26.95
	Brand: Lennox
	1620	Purolator and Indigo Throw-away Filter Poly-fiber with frame 16x20x1Case of 12	$33.95	$27.00
	1020	Purolator and Indigo Throw-away Monobond Frame, Poly Fiber. Suited for Residential and Commercial. 10x20x1 Box of 12 each	$35.00	$29.00
	1220	Purolator and Indigo Throw-away Poly- Fiber with frame 12x20x1 Case of 12	$35.99	$29.00
	1420	Purolator and Indigo Throw-away filter Poly-fiber with frame 14x20x1 Case of 12	$35.00	$29.00
	1625	Purolator and Indigo Throw-away Filter Poly-fiber with frame 16x25x1Case of 12	$35.95	$29.00
	1425	Purolator and Indigo Throw-away Filter Poly-fiber with frame 14x25x1Case of 12	$35.95	$29.00
	1520	Purolator and Indigo Throw-away Filter Poly-fiber with frame 15x20x1Case of 12	$35.95	$29.00
	2025	Purolator and Indigo Throw-away Filter Poly-fiber with frame 20x25x1Case of 12	$35.95	$29.00
	2020	Purolator and Indigo Throw-away Filter Poly-fiber with frame 20x20x1Case of 12	$39.95	$34.00
	2024	Purolator and Indigo Throw-away Filter Poly-filber with frame 20x24x1Case of 12	$39.95	$34.00
	Brand: Lennox
	31J81	Lennox Washable Filter Fits Lennox G26Q2-50 Furnaces 14x25x1 Metal Frame (31J81)	$45.00	$35.00
	98N46	Lennox GENUINE OEM Merv 8 Healthy Climate 98N46 MERV 8 Pleated 1" Filter. 16X20X1" 110222 4 Pack	$49.95	$38.95
	98N45	Lennox GENUINE OEM Merv 8 Healthy Climate 98N45 MERV 8 Pleated 1" Filter. 14X25x1, 110219 4 Pack	$49.95	$38.95
	98N44	Lennox GENUINE OEM Merv 8 Healthy Climate 98N44 MERV 8 Pleated 1" Filter. 20x25x1" 4 Pack	$49.95	$38.95
	98N43	Lennox GENUINE OEM Merv 8 Healthy Climate 98N43 MERV 8 Pleated 1" Filter, 20x20x1" 4 Pack	$49.95	$38.95
	98N42	Lennox GENUINE OEM Merv 8 Healthy Climate 98N42 MERV 8 Pleated 1" filter 16x25x1, 110223 4 Pack	$49.95	$38.95
	91X26	Lennox GENUINE OEM Merv 8 Healthy Climate 91X26 MERV 8 Pleated 1" Filter 25x25x1" 4 Pack	$49.95	$38.95
	91X25	Lennox GENUINE OEM Merv 8 Healthy Climate 91X25 MERV8 Pleated 1" Filter. 18x25x1" 4 Pack	$49.95	$38.95
	91X24	Lennox GENUINE OEM Merv 8 Healthy Climate 91X24 MERV 8 Pleated 1" Filter. 15X20X1" 4 Pack	$49.95	$38.95
	91X23	Lennox GENUINE OEM Merv 8 Healthy Climate 91X23 MERV 8 Pleated 1" Filter, 14x20x1" 110218 4 Pack	$49.95	$38.95
	Brand: Lennox
	2424	Purolator and Indigo Throw-away Filter Poly-fiber with frame 24x24x1Case of 12	$49.95	$39.00
	2525	Purolator and Indigo Throw-away Filter Poly-fiber with frame 25x25x1Case of 12	$49.95	$39.00
	1430	Indigo Throw-away Glass-fiber with frame 14x30x1 Case of 12	$45.95	$39.95
	2530	Indigo Throw-away Filter Glass-fiber with frame 25x30x1 Case of 12	$69.95	$62.95
	Brand: Lennox
	X5754	Lennox by Quality Pleated 1" 24x30x1 Size 24x30x1" Actual Size 23 1/2x29 1/2x1 Hi Efficient Pleated MERV 8 6 Pack Special	$80.00	$67.10
	Brand: Lennox
	F3030	Indigo Throw-away Filter Glass-fiber with frame 30x30x1 Case of 12	$84.95	$72.95
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Air purifying and cleaning systems and equipment, filters

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Air Filters | Humidifier Filters | HEPA Media | FiltersUSA

Lennox Furnace Filters

Lennox Filter Roll
Fits all Lennox furnaces with basket filter frame
30" x 20 feet x 1"
(1 Box)

Lennox Washable Filter
30336 20x20x1 P-8-7829

Lennox Metal filter Washable 18x19x1 Filter
36K15

NEW MERV 8 Green Polyester
Hi Efficient Throw-a-way Filter
Size 16x25x1
Long lasting throw-a-way
Filter Change every 3-4 months
GREAT BUY 4 Filters Per Pack

New MERV 8 Green Polyester
Hi-Efficient Throw-a-way Filter
Size 20x20x1
Long lasting throw-a-way
Filter. Change every 3-4 months
GREAT BUY 4 Filters per Pack

NEW MERV 8 Green Polyester
Hi Efficient Throw-a-way Filter
Size 20x24x1
Long lasting throw-a-way
Filter Change every 3-4 months
GREAT BUY 4 Filters Per Pack

NEW MERV 8 Green Polyester
Hi Efficient Throw-a-way Filter
Size 20x25x1
Long lasting throw-a-way
Filter Change every 3-4 months
GREAT BUY 4 Filters Per Pack

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
16x20x1Case of 12

Purolator and Indigo Throw-away
Monobond Frame, Poly Fiber. Suited for Residential and Commercial.
10x20x1 Box of 12 each

Purolator and Indigo Throw-away
Poly- Fiber with frame
12x20x1 Case of 12

Purolator and Indigo Throw-away filter
Poly-fiber with frame
14x20x1
Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
16x25x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
14x25x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
15x20x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
20x25x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
20x20x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-filber with frame
20x24x1Case of 12

Lennox Washable Filter
Fits Lennox G26Q2-50 Furnaces
14x25x1 Metal Frame
(31J81)

Lennox GENUINE OEM Merv 8
Healthy Climate
98N46

Lennox GENUINE OEM Merv 8
Healthy Climate
98N45

Lennox GENUINE OEM Merv 8
Healthy Climate
98N44

Lennox GENUINE OEM Merv 8
Healthy Climate
98N43

Lennox GENUINE OEM Merv 8
Healthy Climate
98N42

Lennox GENUINE OEM Merv 8
Healthy Climate
91X26

Lennox GENUINE OEM Merv 8
Healthy Climate
91X25

Lennox GENUINE OEM Merv 8
Healthy Climate
91X24

Lennox GENUINE OEM Merv 8
Healthy Climate
91X23

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
24x24x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
25x25x1Case of 12

Indigo Throw-away
Glass-fiber with frame
14x30x1
Case of 12

Indigo Throw-away Filter
Glass-fiber with frame
25x30x1
Case of 12

Lennox by Quality Pleated 1"
24x30x1

Indigo Throw-away Filter
Glass-fiber with frame
30x30x1
Case of 12

FiltersUSA.com

Customer Service

Furnace Filter Changing

Installing Humidifiers

Air Filters | Humidifier Filters | HEPA Media | FiltersUSA

Lennox Furnace Filters

Lennox Filter RollFits all Lennox furnaces with basket filter frame30" x 20 feet x 1"(1 Box)

Lennox Washable Filter30336 20x20x1 P-8-7829

Lennox Metal filter Washable 18x19x1 Filter36K15

NEW MERV 8 Green Polyester Hi Efficient Throw-a-way FilterSize 16x25x1Long lasting throw-a-way Filter Change every 3-4 monthsGREAT BUY 4 Filters Per Pack

New MERV 8 Green PolyesterHi-Efficient Throw-a-way FilterSize 20x20x1Long lasting throw-a-wayFilter. Change every 3-4 monthsGREAT BUY 4 Filters per Pack

NEW MERV 8 Green Polyester Hi Efficient Throw-a-way FilterSize 20x24x1Long lasting throw-a-way Filter Change every 3-4 monthsGREAT BUY 4 Filters Per Pack

NEW MERV 8 Green Polyester Hi Efficient Throw-a-way FilterSize 20x25x1Long lasting throw-a-way Filter Change every 3-4 monthsGREAT BUY 4 Filters Per Pack

Purolator and Indigo Throw-away FilterPoly-fiber with frame16x20x1Case of 12

Purolator and Indigo Throw-away Monobond Frame, Poly Fiber. Suited for Residential and Commercial. 10x20x1 Box of 12 each

Purolator and Indigo Throw-awayPoly- Fiber with frame 12x20x1 Case of 12

Purolator and Indigo Throw-away filterPoly-fiber with frame 14x20x1Case of 12

Purolator and Indigo Throw-away FilterPoly-fiber with frame16x25x1Case of 12

Purolator and Indigo Throw-away FilterPoly-fiber with frame14x25x1Case of 12

Purolator and Indigo Throw-away FilterPoly-fiber with frame15x20x1Case of 12

Purolator and Indigo Throw-away FilterPoly-fiber with frame20x25x1Case of 12

Purolator and Indigo Throw-away FilterPoly-fiber with frame20x20x1Case of 12

Purolator and Indigo Throw-away FilterPoly-filber with frame20x24x1Case of 12

Lennox Washable FilterFits Lennox G26Q2-50 Furnaces14x25x1 Metal Frame(31J81)

Lennox GENUINE OEM Merv 8 Healthy Climate98N46

Lennox GENUINE OEM Merv 8 Healthy Climate98N45

Lennox GENUINE OEM Merv 8 Healthy Climate98N44

Lennox GENUINE OEM Merv 8 Healthy Climate98N43

Lennox GENUINE OEM Merv 8 Healthy Climate98N42

Lennox GENUINE OEM Merv 8 Healthy Climate91X26

Lennox GENUINE OEM Merv 8 Healthy Climate91X25

Lennox GENUINE OEM Merv 8 Healthy Climate91X24

Lennox GENUINE OEM Merv 8 Healthy Climate91X23

Purolator and Indigo Throw-away FilterPoly-fiber with frame24x24x1Case of 12

Purolator and Indigo Throw-away FilterPoly-fiber with frame25x25x1Case of 12

Indigo Throw-awayGlass-fiber with frame14x30x1Case of 12

Indigo Throw-away FilterGlass-fiber with frame25x30x1Case of 12

Lennox by Quality Pleated 1" 24x30x1

Indigo Throw-away FilterGlass-fiber with frame30x30x1Case of 12

FiltersUSA.com

Customer Service

Furnace Filter Changing

Installing Humidifiers

Lennox Filter Roll
Fits all Lennox furnaces with basket filter frame
30" x 20 feet x 1"
(1 Box)

Lennox Washable Filter
30336 20x20x1 P-8-7829

Lennox Metal filter Washable 18x19x1 Filter
36K15

NEW MERV 8 Green Polyester
Hi Efficient Throw-a-way Filter
Size 16x25x1
Long lasting throw-a-way
Filter Change every 3-4 months
GREAT BUY 4 Filters Per Pack

New MERV 8 Green Polyester
Hi-Efficient Throw-a-way Filter
Size 20x20x1
Long lasting throw-a-way
Filter. Change every 3-4 months
GREAT BUY 4 Filters per Pack

NEW MERV 8 Green Polyester
Hi Efficient Throw-a-way Filter
Size 20x24x1
Long lasting throw-a-way
Filter Change every 3-4 months
GREAT BUY 4 Filters Per Pack

NEW MERV 8 Green Polyester
Hi Efficient Throw-a-way Filter
Size 20x25x1
Long lasting throw-a-way
Filter Change every 3-4 months
GREAT BUY 4 Filters Per Pack

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
16x20x1Case of 12

Purolator and Indigo Throw-away
Monobond Frame, Poly Fiber. Suited for Residential and Commercial.
10x20x1 Box of 12 each

Purolator and Indigo Throw-away
Poly- Fiber with frame
12x20x1 Case of 12

Purolator and Indigo Throw-away filter
Poly-fiber with frame
14x20x1
Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
16x25x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
14x25x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
15x20x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
20x25x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
20x20x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-filber with frame
20x24x1Case of 12

Lennox Washable Filter
Fits Lennox G26Q2-50 Furnaces
14x25x1 Metal Frame
(31J81)

Lennox GENUINE OEM Merv 8
Healthy Climate
98N46

Lennox GENUINE OEM Merv 8
Healthy Climate
98N45

Lennox GENUINE OEM Merv 8
Healthy Climate
98N44

Lennox GENUINE OEM Merv 8
Healthy Climate
98N43

Lennox GENUINE OEM Merv 8
Healthy Climate
98N42

Lennox GENUINE OEM Merv 8
Healthy Climate
91X26

Lennox GENUINE OEM Merv 8
Healthy Climate
91X25

Lennox GENUINE OEM Merv 8
Healthy Climate
91X24

Lennox GENUINE OEM Merv 8
Healthy Climate
91X23

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
24x24x1Case of 12

Purolator and Indigo Throw-away Filter
Poly-fiber with frame
25x25x1Case of 12

Indigo Throw-away
Glass-fiber with frame
14x30x1
Case of 12

Indigo Throw-away Filter
Glass-fiber with frame
25x30x1
Case of 12

Lennox by Quality Pleated 1"
24x30x1

Indigo Throw-away Filter
Glass-fiber with frame
30x30x1
Case of 12