Samsung HAFCU1 vs DA97-08006A: Which Filter Is Which?

Q: Is HAFCU1 the same as DA97-08006A?

No. HAFCU1 is for system DA97-06317A. DA97-08006A is the HAF-CIN system. See HAF-CIN / DA29-00020B.

Last checked 2026-10-28 NSF database check: pending 5 sources

Quick answer

HAFCU1 is not the same as DA97-08006A. Samsung Canada's HAFCU1 page lists system DA97-06317A and cartridge DA29-00003G (which replaces DA29-00003B). ^[S1] DA97-08006A is the system number for HAF-CIN / DA29-00020B. ^[S2]

Samsung lists HAF-CIN, HAF-QIN and HAFCU1 as three different fridge filters. Read the model on the filter you're taking out. ^[S3]
HAFCU1 is rated at 300 gallons, installs with a 90° rotate-and-lock, and Samsung claims NSF 42 and NSF 53 reduction claims on the Canada page. ^[S1]
Some owners report the redesigned DA29-00003G lock tabs don't match older housings. Samsung publishes a fit troubleshooting page for that case. ^[S4]

Find your fridge model in our model lookup table.

HAFCU1 part numbers

Number	What it is	Source
HAFCU1 / HAFCU1/XAA	Samsung's retail filter model name	^[S1] ^[S5]
DA97-06317A	Filter system model number HAFCU1 is for	^[S1]
DA29-00003G	Current replacement cartridge code; replaces DA29-00003B and is listed as compatible with it	^[S1]
DA29-00003B	Older cartridge code HAFCU1 replaces	^[S1]

Not the same filter

Number you might see	Actually belongs to	Source
DA97-08006A / DA97-08006A-B	HAF-CIN / DA29-00020B system	^[S2]
DA29-00020B / HAF-CIN/EXP	Different Samsung filter family	^[S2] ^[S3]
DA97-17376B / HAF-QIN	Different Samsung filter family	^[S3]

HAFCU1 specs Samsung lists

Spec	Value	Source
Capacity	300 gal	^[S1]
Type	Internal	^[S1]
Installation	90° rotate and lock	^[S1]
Certification claim	NSF 42 (chlorine taste/odor) and NSF 53 (cysts, turbidity, lead, asbestos, benzene, carbofuran, p-dichlorobenzene, mercury)	^[S1]
Service life callout	6 months / 1200 L on the Canada product title	^[S1]

Certified alternatives

Waterdrop doesn't list an HAFCU1 replacement on its US store (checked 2026-10-28). Samsung says genuine Samsung filters are designed to work with Samsung refrigerators. ^[S1]

Filter	What the seller claims	Our NSF check
Samsung HAFCU1 / DA29-00003G (genuine)	Samsung Canada claims NSF 42 and NSF 53 reductions listed above. ^[S1]	Pending: not yet confirmed in NSF's database 2026-10-28

Fits list (Samsung Canada)

Samsung Canada's HAFCU1 page lists a long "Fits in" set, including models such as RF263AE, RF265, RF266, RF267, RF268, RF26V, RF26X, RF28HDEDP, RFG237, RFG238, RFG295, RFG297, RFG298, RH269LBSH, RM257*, RS22HDHPN and RS27FDBTN (plus others on that page). ^[S1] Check your full model number, including the suffix, against Samsung's list before you buy.

How this ties to the other Samsung filters

HAF-CIN / DA29-00020B uses system DA97-08006A-B. That is the number people often mix with HAFCU1.
HAF-QIN / DA97-17376B is the third family Samsung names. ^[S3]

Disclosure: We earn a commission if you buy through FiltersFast links. It doesn't change which filters we say fit. How we handle affiliate links.

Where to buy

We don't list prices because they change daily. Check the current price at the seller.

Samsung US: HAFCU1 water filter Official: Manufacturer store. Check current price.
Samsung Canada: HAFCU1 Official: Specs, system number and fits list. Check current price.
Buy at FiltersFast: DA29-00003G Affiliate: Genuine Samsung DA29-00003G listing. Check current price.

FAQ

Is HAFCU1 the same as DA97-08006A?

No. HAFCU1 is for system DA97-06317A. ^[S1] DA97-08006A is the HAF-CIN system. ^[S2] See HAF-CIN / DA29-00020B.

Is DA29-00003G the same as HAFCU1?

Samsung Canada's HAFCU1 page lists DA29-00003G as the replacement cartridge code for that filter, replacing DA29-00003B. ^[S1]

Is HAFCU1 the same as HAF-CIN or HAF-QIN?

No. Samsung lists HAF-CIN, HAF-QIN and HAFCU1 as three different filters. ^[S3]

My new DA29-00003G won't lock in. What do I do?

Samsung publishes a troubleshooting page for replacement filters that don't fit. ^[S4] Some older housings need the steps on that page before the redesigned cartridge will seat.

How often should I change HAFCU1?

Samsung's Canada product title calls out 6 months / 1200 L, with a 300-gallon capacity. ^[S1] Samsung's general filter guide also uses a six-month timer language for its fridge filters. ^[S3]

What we could not verify

NSF database confirmation for HAFCU1 / DA29-00003G.
Whether every fridge on Samsung Canada's long fits list still ships with the same housing revision. Owner reports about DA29-00003G lock changes mean you should still match the number on your old filter.
A Waterdrop HAFCU1 listing. We didn't find one on Waterdrop's US store on 2026-10-28.

Sources

[S1] HAFCU1 Water Filter 6 months/1200L (HAFCU1/XAA), Samsung Canada. Accessed 2026-10-28. Used for: 300-gal capacity, NSF 42/53 claims, internal type, 90° lock, system DA97-06317A, cartridge DA29-00003G replacing DA29-00003B, fits-in model list.
[S2] HAF-CIN Water Filter (HAF-CIN/EXP), Samsung Canada. Accessed 2026-10-24. Used for: DA97-08006A-B as the HAF-CIN system; DA29-00020B cartridge.
[S3] How to replace the water filter in a Samsung refrigerator, Samsung US support. Accessed 2026-10-28. Used for: Three filter types (HAF-CIN, HAF-QIN, HAFCU1); six-month language.
[S4] Replacement filter doesn't fit in your refrigerator, Samsung US support. Accessed 2026-10-28. Used for: Official troubleshooting when a replacement filter won't seat.
[S5] Water Filter for Refrigerator HAFCU1 (1 Pack), Samsung US. Accessed 2026-10-28. Used for: US retail listing for HAFCU1/XAA.

Last checked 2026-10-28. Spot an error? Tell us and we'll recheck it against the source.