How Do I Find My Samsung Refrigerator Water Filter Number?

Start with the refrigerator model label

The safest way to find a filter number begins with the refrigerator, not a shopping result. Look for the model-and-serial label inside the fresh-food compartment. Depending on the design, it may be on an interior side wall, near the crisper area, or in another location identified by Samsung. Photograph the entire label in good light so every character remains available.

Copy the value marked Model or Model Code, not the serial number. A model such as RF28T5101SR/AA contains more useful information than “Samsung RF28.” Preserve the color or finish letters and the /AA suffix. Similar-looking Samsung refrigerators can use different filter families, and one missing character can send a search toward a neighboring model.

If the label is difficult to read, clean only its surface gently and change the camera angle. Do not peel it off. Check the purchase record, Samsung account, or owner’s manual as supporting evidence, but prefer the physical appliance label when records conflict.

Check Samsung’s documentation with the full code

Enter the complete model code into Samsung Support, open the model’s manual, and review the maintenance or water-filter section. Samsung accessory pages may also list compatible refrigerator models. Match the complete code rather than accepting a retailer phrase such as “fits most Samsung French-door refrigerators.”

Samsung’s filter-replacement guidance explains that the correct filter must be installed and normally replaced around every six months. Its HAF-CIN product information identifies that family as HAF-CIN/EXP and DA29-00020B. HAF-QIN has its own product identity and compatibility path. Those similar names are not permission to interchange them.

Home Memory’s Which Samsung Water Filter Fits My Refrigerator? guide provides a focused compatibility workflow. If your decision has narrowed to two familiar names, the Samsung HAF-QIN vs HAF-CIN comparison explains why cabinet style and cartridge appearance do not settle the question.

Read the installed cartridge—but verify it

The existing filter can provide a useful lead. Follow the refrigerator manual before removing it, and protect the area from drips. Read every product number from the cartridge body and end cap. Photograph the label before discarding the old filter.

Typical markings may include a family name, an /EXP retail suffix, or a replacement code. HAF-CIN may appear with DA29-00020B. HAF-QIN should be kept distinct. Compare all characters rather than searching only “DA29” or “HAF.”

The limitation is history. A filter left by a previous homeowner, supplied loose with a used appliance, or forced into the housing may not be correct. Even a cartridge that dispenses water is not necessarily supported for the refrigerator. Use its number as a clue, then verify it against Samsung information for the appliance model.

Model number, serial number, and filter number are different

The refrigerator model identifies a product configuration. The serial number identifies one individual appliance. The filter number identifies a replaceable cartridge family. Retail packaging can add another suffix or package quantity code.

These identifiers serve different purposes. Samsung Support needs the refrigerator model to locate manuals and compatibility information. The serial may matter for service or warranty history but usually does not tell a shopper which cartridge to buy. The filter family is what must match the refrigerator after the model lookup.

Record the complete refrigerator model, the confirmed filter family, and the date of confirmation together. That small record is more reliable than an old order title, which may be shortened or changed by a marketplace seller.

How to confirm HAF-QIN or HAF-CIN

First, compare the full refrigerator model with current Samsung information. Second, read the filter family from the official source. Third, match that family to the exact retail identity. Home Memory has verified one Amazon product record for genuine Samsung HAF-QIN/EXP, ASIN B071NFVVNG, and one for genuine Samsung HAF-CIN/EXP, ASIN B003N1ZSYG.

Do not use the ASIN to decide compatibility. It preserves the identity of the listing after compatibility has already been established. Do not choose HAF-QIN because the refrigerator looks newer or HAF-CIN because an online photo resembles the old filter.

What if Samsung’s search does not show the model?

Recheck ambiguous characters such as zero and the letter O, one and the letter I, or five and S. Make sure the suffix is included. Search the exact code in quotation marks and favor Samsung-owned results. A regional Samsung site may use a related code, so do not silently convert a non-U.S. model into a U.S. model.

If the appliance label and paperwork disagree, contact Samsung Support with a clear label photograph. Ask for the compatible water-filter part number for the complete model. Do not force a cartridge while waiting. A filter that will not turn normally may be wrong, misaligned, obstructed, or subject to a model-specific procedure.

Some refrigerators may use a different cartridge from both HAF-QIN and HAF-CIN, or may use a bypass configuration. This article does not treat the two verified products as universal. Absence from Home Memory’s model library means more verification is needed, not that the nearest listed model is close enough.

Common filter-number mistakes

One mistake is shopping from the refrigerator’s cubic-foot capacity. Another is assuming every refrigerator sharing an RF28 prefix uses the same cartridge. Feature descriptions such as Family Hub, French door, side-by-side, external dispenser, or AutoFill are also too broad to establish fit.

Avoid treating the filter indicator as an identifier. The light can prompt maintenance, but it does not report HAF-QIN or HAF-CIN. Likewise, a barcode scanner may return a marketplace catalog record without proving refrigerator compatibility.

Do not rely on a seller’s broad “replacement for” language unless the exact appliance and exact product evidence are clear. The OEM versus aftermarket guide explains how to assess product-specific claims without assuming every compatible-looking option has the same documented performance.

Build a permanent filter record

Once Samsung confirms the match, save the refrigerator label photo, the filter family, the manual link, and the installed date. Add the exact ASIN only if you purchased the verified Amazon item. A reminder tied to the installed date prevents the next replacement from becoming another identification project.

Keep a photo of the new cartridge label before installation. Save the receipt or order record. When replacement is due, recheck the current listing and Samsung compatibility page; packaging and seller content can change. Use the Samsung water-filter replacement guide for the installation sequence, flushing, leak inspection, and indicator reset.

Final Verdict

The right filter number comes from a chain of evidence: complete refrigerator label, Samsung documentation, confirmed cartridge family, and exact retail identity. Start with the full model and suffix, use the installed filter only as a cross-check, and reject partial matches. Once the match is documented, save it with the installation date so every future replacement becomes faster and safer.

Official Samsung Sources

• [Samsung refrigerator water-filter replacement guidance](https://www.samsung.com/us/support/answer/ANS00060149/)
• [Samsung HAF-QIN/EXP product information](https://www.samsung.com/us/business/home-appliances/home-appliances-accessories/refrigerators/haf-qin-refrigerator-water-filter-haf-qin-exp/)
• [Samsung HAF-CIN/EXP and DA29-00020B product information](https://www.samsung.com/us/home-appliances/home-appliances-accessories/refrigerators/haf-cin-refrigerator-water-filter-haf-cin-exp/)