Build an identification record
Capture the complete reference printed on the current filter, including suffixes and punctuation. Record the refrigerator reference separately, and note the market where the appliance is used. Keep the original photograph alongside any transcription so another person can check the entry.
A practical record includes the buyer’s stock code, original filter reference, proposed supplier reference, connector photographs and review status. Preserve the customer’s original information even if a supplier proposes a different commercial name. The existing compatibility guide explains where to find filter references.
Use brand names as reference information
A brand grouping helps organize a sourcing list, but it does not establish compatibility across an entire brand’s range. A replacement filter supplier should identify which specific references are being proposed and which still need review. Similar packaging colors or a familiar brand name are not technical evidence.
For example, a buyer comparing two lines in a replacement filter catalogue should record them as separate candidates until each has been checked against its intended application. Do not expand a list of related search terms into a list of confirmed interchangeable models.
Check physical fit and function separately
Connection and installation
Compare connection geometry, locking features, sealing locations and the space available for insertion and removal. Dimensions alone may miss a difference at the interface. A photograph can support initial screening, but cannot substitute for an agreed sample review or relevant drawing.
Performance and use conditions
Correct installation does not demonstrate filtration performance, flow behavior or replacement interval. Review applicable product documentation separately. Do not copy a service-life figure from the original appliance filter onto a proposed replacement. Certification: Available upon request.
Resolve a mixed-reference order before packaging
Consider an importer combining a customer spreadsheet with photographs from several repair accounts. One row may contain a distributor stock code while another contains a filter reference. Ordering against the merged list without identifying the source of each entry leaves the warehouse unable to explain discrepancies.
Send the supplier a marked list of confirmed references and unresolved rows. For each proposed match, retain the response and sample identity. Only then should your team approve the compatibility wording on a label. If private-label packaging is involved, include the checked reference list in the OEM packaging discussion.
Avoid common sourcing shortcuts
Do not infer compatibility from a shared prefix, cartridge color or package illustration. Do not silently remove suffixes when normalizing spreadsheets. Do not approve one sample and apply that approval to an entire category.
A useful final check compares the order reference, approved sample reference, box label and catalogue description. If they differ, establish why before release. MOQ: Confirm based on project requirements. Lead time: Confirm based on project requirements.
Common questions
Is a refrigerator model number enough?
It is useful context, but ask for the current filter reference and supporting photographs where possible. Keep unresolved identification questions visible.
Can a supplier confirm compatibility from one front photograph?
It may support preliminary identification, but the connection and label are often outside the view. Ask what additional evidence is needed.
Does physical fit confirm equivalent filtration?
No. Physical fit and filtration claims require separate evidence; neither should be inferred from the other.
Conclusion
To see how a candidate is documented, examine the DA29-20B product record. Use the Samsung reference group to locate related references. A shared brand grouping does not establish interchangeability; confirm the exact model requirements before ordering.
A compatibility process works when every proposed replacement can be traced back to a buyer requirement and a reviewed product. Send your reference list and open questions before turning a catalogue match into a bulk order.