FitCheckrCompatibility verdict
Does Core 400S-RF fit Core 400S?
Model: Core 400S
Part: Core 400S-RF
Fit summary
Core 400S-RF is the baseline physical fit for the Core 400S body; specialty variants may share sizing.
Core 400S-RF compatibility details for Levoit Core 400S
Compatibility verdict
Yes, this replacement is marked as a confirmed fit.
Compatible model
Levoit Core 400S · Levoit Core 400S Air Purifier
OEM status and part number
Core 400S-RF is marked as OEM in the replacement data.
Replacement interval
Every 6-12 months depending on usage
Source confidence explanation
FitCheckr shows this compatibility check with a 95% confidence score based on 5 source signals. Higher confidence means more consistent source evidence, not lab testing.
Core 400S filters are larger than Core 300 filters; the series number matters.
- Marketplace title says universal fit but does not mention Core 400S.
- The old part number on your device does not match Core 400S-RF or its known family.
- The listing photo looks close, but the latch, seal, bag type, or frame shape differs.
Does Core 400S-RF fit Levoit Core 400S?
Yes, this replacement is marked as a confirmed fit.
Which model is Core 400S-RF listed for?
Core 400S-RF is shown on FitCheckr for Levoit Core 400S Air Purifier (Core 400S). Always confirm the exact model number on your device before choosing a replacement.
Is Core 400S-RF an OEM part?
Core 400S-RF is marked as OEM in the current FitCheckr data. Use the official source page when warranty or certification matters.
What should I check before choosing a replacement?
Check your exact device model, the existing part number, manufacturer instructions, replacement interval, and any latch, seal, chip, bag, cartridge, or frame differences.
What is this confidence score based on?
5 public source signals are currently reflected in this fit check. FitCheckr combines official pages, manuals, support documents, retailer listings, and public discussion summaries where available.
5 public source signals checked. FitCheckr weighs official pages, manuals, support docs, retailer listings, and public discussion summaries before showing a fit verdict.