Which models fit AO-US-200-R?

AO-US-200-R is currently listed for AO-US-200.

Is AO-US-200-R universal?

No. Replacement filters, bags, cartridges, and maintenance kits should be matched by exact device model and part family, not by shape alone.

Under-sink water filter cartridge set compatibility

AO-US-200-R Compatible Models

A. O. Smith AO-US-200-R Replacement Filter Set

A. O. SmithA. O. SmithBrandBrand

OEMOEMStatusStatus

6 moAbout every 6 months or based on flow and water qualityIntervalReplacement interval

Compatible devices

AO-US-200

A. O. Smith AO-US-200 Under Sink Water Filter

Confidence: 86%

Before choosing this replacement

Confirm your exact device model, not only the product family.
Compare the old part number against AO-US-200-R.
Check whether the listing includes the full kit or only one filter piece.

Not a universal part

AO-US-200-R should be matched to listed models and official part references. Similar-looking replacements can differ by seal, frame, cartridge latch, chip requirement, bag type, or pack contents.

Risk note: A. O. Smith under-sink cartridges are system-specific. Match AO-US-200 rather than only filter count.

Source-backed compatibility

3 public source signals checked. FitCheckr weighs official pages, manuals, support docs, retailer listings, and public discussion summaries before showing a fit verdict.

Data sources Methodology Report an issue

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