AprilAire 213 replacement filter
213: fit verified for 6 cabinet models
This fit is supported by manufacturer documentation. Check your exact part and cabinet before ordering.
Essential verified details
- Brand
- AprilAire
- Nominal size
- Not published
- Verified actual size
- 20.6 × 26.63 × 4 in · filter cartridge
- MERV
- 13
- Verified application
6 verified cabinet models · View all 6 verified models
- 1210
- 1620
- 2210
- 2216
- 3210
- 4200
Before you buy
Match the exact part number: 213. Confirm your cabinet in the verified application above.
Nominal and actual dimensions are not interchangeable. Do not substitute by size alone.
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
- 2026-09-23
- Traceability
- Complete for displayed technical claims
Dimensions
- Filter cartridge — actual20.6 × 26.63 × 4 in · source-backed physical measurement
Relationship evidence
- Fits cabinet · AprilAire 1210Manufacturer-backed fit relationship for this exact filter and cabinet/model.AprilAire · verified 2026-09-26 · source retrieved 2026-09-20View relationship source
- Fits cabinet · AprilAire 1620Manufacturer-backed fit relationship for this exact filter and cabinet/model.AprilAire · verified 2026-09-26 · source retrieved 2026-09-20View relationship source
- Fits cabinet · AprilAire 2210Manufacturer-backed fit relationship for this exact filter and cabinet/model.AprilAire · verified 2026-09-26 · source retrieved 2026-09-23View relationship source
- Fits cabinet · AprilAire 2216Manufacturer-backed fit relationship for this exact filter and cabinet/model.AprilAire · verified 2026-09-26 · source retrieved 2026-09-23View relationship source
- Fits cabinet · AprilAire 3210Manufacturer-backed fit relationship for this exact filter and cabinet/model.AprilAire · verified 2026-09-26 · source retrieved 2026-09-23View relationship source
- Fits cabinet · AprilAire 4200Manufacturer-backed fit relationship for this exact filter and cabinet/model.AprilAire · verified 2026-09-26 · source retrieved 2026-09-23View relationship source
- Upgrade · AprilAire UK213Manufacturer-supported upgrade relationship. An upgrade is not treated as a direct equivalent filter.AprilAire · verified 2026-09-26 · source retrieved 2026-09-20View relationship source
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Manufacturer upgrade path
Published product succession · retrieved 2026-09-23
AprilAire lists UK213 as replacing the sunsetting 213 filter and includes one-time upgrade rails. The published path requires a one-time rail upgrade. This lifecycle fact is shown separately and does not create a new compatibility edge.
View manufacturer upgrade path