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You are here: Home > Furnace Filters > Shop Filters by Size > 21X26 Filters
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Lennox X8348 - Healthy Climate PCO-20C MERV 10 MAINT KIT W/INSRT 21" x 26" x 4" Lennox X8345 - PureAir PCO-20C MERV 16 Upgrade Kit with Insert 21" x 26" x 4" Lennox X8344 - PureAir PCO-20C MERV 16 Upgrade Kit without Insert - 21" x 26" x 4"
Usually Ships in 1 to 2 Business Days
Our Price: $242.95 Includes Free Shipping!
Usually Ships in 1 to 2 Business Days
Our Price: $343.15 Includes Free Shipping!
Usually Ships in 1 to 2 Business Days
Our Price: $273.27 Includes Free Shipping!
Lennox X8348 Lennox X8345 Lennox X8344
Lennox X8348 Healthy Climate PCO-20C MERV 10 MAINT KIT W/INSRT. Filter dimensions:  21" x 26" x 4" Lennox PureAir PCO-20C MERV 16 UPGRADE KIT WITH INSERT 21" x 26" x 4"- X8345 Lennox PureAir PCO-20C MERV 16 UPGRADE KIT WITHOUT INSERT - X8344
Lennox X6669 - PureAir PCO-20C MERV 16 Replacement Filter 21" x 26" x 4" Lennox X1967 - Replacement Filter 20" x 24" x 1" Lennox X1204 - Replacement Filter 20" x 30" x 1"
In Stock & Ready to Ship!
Our Price: $99.95
Save $1.50 per Filter and Receive Free Shipping when you Buy 2 or More!!!
In Stock & Ready to Ship!
Our Price: $15.55 Includes Free Shipping.
In Stock & Ready to Ship!
Our Price: $15.55 Includes Free Shipping.
Lennox X6669 MERV 16 Filter
Lennox PureAir PCO-20C MERV 16 Replacement Filter 21" x 26" x 4" - X6669 Lennox Replacement Filter 20" x 24" x 1" - X1967 Lennox Replacement Filter 20" x 30" x 1" - X1204
Lennox X6667 - PureAir PCO-20C MERV 10 Replacement Filter 21" x 26" x 4"
In Stock & Ready to Ship!
Our Price: $26.99
Receive Free Shipping when you Buy 2 or More!!!
Lennox X6667, Lennox PureAir PCO
Lennox PureAir PCO-20C Replacement Filter 21" x 26" x 4" - X6667
   
 
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