Why it matters
The AIRx Replacement Filter for Lennox Y6606 is a replacement media filter for a whole-house air cleaner cabinet.
The listing says it is for the Lennox Y6606 Filter; the replacement number on the cabinet door is the surest match.
This listing is the 20x21x5 size; order by the size printed on your old filter's frame.
The AIRx listing names 2 filters per box.
Media cabinet filters are made for one cabinet family; match the maker's model number on your cabinet door or old filter, not just the nominal size.
Who it's for, and who should skip it
Good fit if
- Everyday dust and equipment protection
- Homes that change filters on schedule
Look elsewhere if
- Smoke or fine-particle control
Pros and cons
Pros
- Media filter
Cons
- Measure your slot: nominal and actual sizes differ
Limitations to weigh
- Specifications are the maker's or seller's own figures; check fit against your equipment's model number and the actual size.
Specifications
The bracket shows where each figure comes from.
| Model number | 201401 | Retailer |
|---|
Alternatives worth comparing
More whole-house air cleaners and media filters we cover
- Lennox X0445 MERV 10 Media Filter
- Aprilaire 213 MERV 13 Replacement Air Filter
- Trane FLRQB5AH23M11 MERV 11 Media Filter
- GeneralAire 12758 MERV 11 Media Filter
- BestAir Replacement Filter for Aprilaire 2200
All whole-house air cleaners and media filters, compared in one table · Every AIRx product we cover
Final verdict
A sensible choice for everyday dust and equipment protection. Confirm the model it fits before ordering.
Where to buy
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