Only For Orders Placed After 1/1/2011
You are here:Home > Lennox Air Filters > X6667, 6669, 75X67 - PCO-20C (21-1/4x26x 4)

LENNOX AIR FILTER

ONLINE SINCE 1995 -  BEFORE GOOGLE WAS BORN
Since 1995 means you can trust our Website, trust our Quality, trust our Honesty, trust our Service


FREE DELIVERY TO YOUR HOME OR OFFICE

SAVE BIG WHEN YOU ORDER MORE, MERV 11 OR MERV 13 !
LOOK!6-PACK = SAVE $18.00
12-PACK = SAVE $39.00
24-PACK = SAVE $78.00

FIND OUT THE MEANING OF THE MERV RATINGS.
 



Top Of The Line Filters....  Even The MERV 8 has the latest "State Of The Art" design, like:
  • Layered Filtering Media Design To Capture Much More Dust, Pollutants, and Contaminants Than Other Filters.  Varying Density Traps Larger Particles First, and Progressively Traps The Smaller Particles.

  • Better Quality - 30 Gauge Galvanized Expanded Metal Grid.

  • Moisture Resistance 28 Point Beverage Board Frame.

  • Filtering Media 100% Bonded To Frame.

  • 180 Fahrenheit Degrees Continuous Service, Peaks 225 Fahrenheit Degrees.

  • Resist Moisture To 100% RH.

  • Tested Under The Guidelines of The American Society of Heating, Refrigerating, And Air Conditioning Engineers.
Filter Particulate Removal Efficiency Rating:
MERV-8:  GOOD
MERV-11: BETTER

MERV-13: EXCELLENT

CARBON: Removes Foul Odors and

Particulate Removal rated GOOD


Simply stated, the higher the MERV number, the more efficient the air filter will be in removing contaminants and pollutants from the airflow in your home or office. 
A MERV 13 air filter is more than twice as efficient as a MERV 8 in removing contaminants 1 micron in size.  To understand how small 1 micron is, a human hair measures 100 microns. Finally, keep in mind that the MERV rating has nothing to do with size. MERV 8 and MERV 11 and MERV 13 are all the same size air filters for any given model number.
Sort By:
Page of 1
Lennox Filter
Lennox Filter - Air Filter, Furnace, 21x26x4 (21 1/4x26x4) MERV 8, X6667 - X6669- 75X67, PCO-20C
ONLY: $29.45 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X6667 - X6669- 75X67

Fits Lennox model number PCO-20C

Nominal size 21x26x4
Actual size 21 1/4" x 26" x 4"
Lennox Filter
Lennox Filter - Air Filter, Furnace 21x26x4 (21 1/4x26x4) MERV 13, X6667 - X6669- 75X67, PCO-20C
ONLY: $34.45 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X6667 - X6669- 75X67

Fits Lennox model number PCO-20C

Nominal size 21x26x4
Actual size 21 1/4" x 26" x 4"
Lennox Filter
Lennox Filter - Air Filter, Furnace 21x26x4 (21 1/4x26x4) MERV 11, X6667 - X6669- 75X67, PCO-20C
ONLY: $31.45 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X6667 - X6669- 75X67

Fits Lennox model number PCO-20C

Nominal size 21x26x4
Actual size 21 1/4" x 26" x 4"
Lennox Filter
Lennox Filter - Air Filter, Furnace 21x26x4 (21 1/4x26x4) Carbon, X6667 - X6669- 75X67, PCO-20C
ONLY: $39.45 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X6667 - X6669- 75X67

Fits Lennox model number PCO-20C

Nominal size 21x26x4
Actual size 21 1/4" x 26" x 4"
Lennox Filter
Lennox Filter, Genuine Brand - Air Filter, Furnace 21x26x4 (21 1/4" x 26" x 4") MERV 10, X6667, PCO-20C
ONLY: $39.95 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X6667

Fits model number PCO-20C

Nominal size 21x26x4
Actual size 21 1/4" x 26" x 4"
Lennox Filter
Lennox Filter, Genuine Brand - Air Filter, Furnace 21x26x4 (21 1/4x26x4) MERV 16, X6669, PCO-20C
ONLY: $109.95 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X6669

Fits Lennox model number PCO-20C

Nominal size 21x26x4
Actual size 21 1/4" x 26" x 4"
Lennox Filter
Lennox MERV 16 Maintenance Kit X8345 For Air Cleaner PCO-20C
ONLY: $322.95 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X8345 MERV 16 Maintenance Kit

Includes:
(1) MERV 16 Filter - Model X6669 - 21" x 26" x 4"
(1) Catalyst Insert - Model 75X66 - 19-7/8" X 25-3/4" X 1" (new design)
(6) X8149 UV Bulbs
Lennox Filter
Lennox MERV 10 Maintenance Kit X8348 For Air Cleaner PCO-20C
ONLY: $255.95 each - SHIPPING INCLUDED + SAVE When You Order More

Lennox Filter - Air Filter, Furnace For Models: X8348 MERV 10 Maintenance Kit

Includes:
(1) MERV 10 Filter - Model X6667 - 21" x 26" x 4"
(1) Catalyst Insert - Model 75X66 - 19-7/8" X 25-3/4" X 1" (new design)
(6) X8149 UV Bulbs