Samsung RF18A5101SR water filter
Last checked October 28, 2026
The Samsung RF18A5101SR (Stainless Steel 18 cu. ft. Smart Counter Depth 3-Door French Door Fridge) uses the Samsung HAF-QIN water filter.
The genuine filter is listed to NSF/ANSI 42, 53 and 401. None of the 9 replacements we found matches that; the best reach NSF/ANSI 42 and 53.
Buy genuine
Fit source: Samsung lists RF18A5101** on the filter page (maker page, read October 28, 2026).
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See all 10 HAF-QIN options compared
RF18A5101SR at a glance
| Model | RF18A5101SR |
|---|---|
| Maker's name | Stainless Steel 18 cu. ft. Smart Counter Depth 3-Door French Door Fridge |
| Style | French door |
| Capacity | 17.5 cu. ft. |
| Family on the filter page | RF18A5101** |
| Genuine filter | Samsung HAF-QIN |
| Change interval (maker) | 6 months |
| Model page | Samsung product page, read October 28, 2026 |
Check your model number first
Filters are matched to the exact model on your fridge's label. Samsung's help page says the label is on the outside, lower left side near the front; also check inside the fresh food section. (Samsung support, read October 27, 2026) Where is my model number?
Other fridges that use the HAF-QIN
- Samsung RF28R7201SR
- Samsung RF22A4221SR
- Samsung RF27CG5B10SR
- Samsung RF27CG5010S9
- Samsung RF27CG5100SR
- Samsung RF32CG5900SR
- Samsung RF30BB660012
- Samsung RF29DB9600QL
- Samsung RF29BB8600QL
- Samsung RF25C5A01SR
- Samsung RF32CG5B30SR
- Samsung RS28A500ASR
Sources
- Fit: https://www.samsung.com/us/home-appliance-accessories/haf-qin-refrigerator-water-filter-sku-haf-qin-exp/ (read October 28, 2026)
- Model details: https://www.samsung.com/us/refrigerators/french-door/18-cu-ft-smart-counter-depth-3-door-french-door-refrigerator-in-stainless-steel-sku-rf18a5101sr-aa/ (read October 28, 2026)
- Certifications: every listing for HAF-QIN and its replacements is linked on the HAF-QIN comparison.
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