Lennox Healthy Climate Y6604 replacement filter
Verified fit
Y6604 fits PCO3-20-16
This fit is supported by manufacturer documentation. Check your exact part and cabinet before ordering.
Essential verified details
- Brand
- Lennox Healthy Climate
- Nominal size
- Not published
- Verified actual size
- Not published
- MERV
- Not published
- Verified application
- PCO3-20-16
Before you buy
Match the exact part number: Y6604. Confirm your cabinet in the verified application above.
Nominal and actual dimensions are not interchangeable. Do not substitute by size alone.
Fit verified from manufacturer documentation.Why this fits
Verification detailsHow this answer is supportedManufacturer evidence, dimensions, relationships and verification dates.Show detailsHide details
Technical claims below come from the active canonical resolution. Merchant listings cannot strengthen them.
- Status
- Verified compatibility
- Last verified
- 2026-09-26
- Latest source retrieval
- 2026-09-24
- Traceability
- Complete for displayed technical claims
Relationship evidence
- Fits cabinet · Lennox Healthy Climate PCO3-20-16Manufacturer-backed fit relationship for this exact filter and cabinet/model.LennoxPros · verified 2026-09-26 · source retrieved 2026-09-24View relationship source
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