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You are here: Home > Furnace Filters > Shop Filters By Brand > Lennox > Shop Lennox Filters By Size > Lennox 21X26 Filters
We found 7 results matching your criteria.
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Lennox X6667 - PureAir PCO-20C MERV 10 Replacement Filter 21" x 26" x 4" Lennox X6669 - PureAir PCO-20C MERV 16 Replacement Filter 21" x 26" x 4" Lennox X8345 - PureAir PCO-20C MERV 16 Upgrade Kit with Insert 21" x 26" x 4"
Our Price: $26.99
Receive Free Shipping when you Buy 2 or More!!!
Our Price: $99.95
Save $1.50 per Filter and Receive Free Shipping when you Buy 2 or More!!!
Our Price: $343.15 Includes Free Shipping!
Lennox X6667, Lennox PureAir PCO Lennox X6669 MERV 16 Filter Lennox X8345
Lennox PureAir PCO-20C Replacement Filter 21" x 26" x 4" - X6667 Lennox PureAir PCO-20C MERV 16 Replacement Filter 21" x 26" x 4" - X6669 Lennox PureAir PCO-20C MERV 16 UPGRADE KIT WITH INSERT 21" x 26" x 4"- X8345
Lennox X8344 - PureAir PCO-20C MERV 16 Upgrade Kit without Insert - 21" x 26" x 4" Lennox X8348 - Healthy Climate PCO-20C MERV 10 MAINT KIT W/INSRT 21" x 26" x 4" Lennox X1967 - Replacement Filter 20" x 24" x 1"
Our Price: $273.27 Includes Free Shipping!
Our Price: $242.95 Includes Free Shipping!
Our Price: $15.55 Includes Free Shipping.
Lennox X8344 Lennox X8348
Lennox PureAir PCO-20C MERV 16 UPGRADE KIT WITHOUT INSERT - X8344 Lennox X8348 Healthy Climate PCO-20C MERV 10 MAINT KIT W/INSRT. Filter dimensions:  21" x 26" x 4" Lennox Replacement Filter 20" x 24" x 1" - X1967
Lennox X1204 - Replacement Filter 20" x 30" x 1"
Our Price: $15.55 Includes Free Shipping.
Lennox Replacement Filter 20" x 30" x 1" - X1204
   
 
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