What replacement filters fit a Aquasana AQ-5300?
The Aquasana AQ-5300 under-sink system uses 1 filter stage.
Key takeaways
- Under-Sink system by Aquasana.
- 1 filter stage: AQ-C3-R.
- Not listed in NSF's database - this brand certifies through WQA or its own testing.
- A cheaper compatible filter set can fit the same housings - confirm its own certification before buying.
Buy the replacement filters for your AQ-5300
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Filter stages
- Claryum 3-Stage replacement cartridge set
- AQ-C3-R
NSF certification
The AQ-5300 isn't listed in NSF's database - this brand certifies through WQA or its own testing, not through an NSF DWTU listing we can independently cite. That isn't proof it doesn't filter well, only that we can't verify a specific contaminant-reduction claim for it here.
Filters for the rest of your home
FiltersDex covers the exact replacement filter - and what it removes - across every appliance:
Frequently asked
What replacement filters fit a Aquasana AQ-5300?
The Aquasana AQ-5300 uses 1 filter stage: AQ-C3-R.
Is the Aquasana AQ-5300 NSF certified?
The Aquasana AQ-5300 isn't listed in the NSF Drinking Water Treatment Units database as of our last check. That doesn't necessarily mean it doesn't filter well - this brand may certify through WQA or its own in-house testing instead. We only claim an NSF reduction when it's independently NSF-listed.
Does the Aquasana AQ-5300 remove lead?
We don't have an independent NSF listing for the Aquasana AQ-5300, so we can't confirm a lead-reduction claim either way. Check the manufacturer's own certification documents.
Should I buy the genuine filter set or an aftermarket one?
The genuine Aquasana cartridges are the safe, exact-fit choice. A cheaper compatible set can fit the same housings too - just confirm it carries its own independent certification for the contaminants you care about before buying.