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The Lennox X8789 MERV 16 Filter Media Replacement is the correct replacement for any HVAC system that requires a 16x26x5 filter. This Lennox Healthy Climate filter has an efficiency rating of MERV 16, the highest efficiency rating.
The Lennox X8789 MERV 16 Filter Media Replacement specifications:
This Lennox pleated air filter removes particles and bioaerosols down to 0.3 microns, and also removes odors and chemicals.