Samsung HAF-CIN Refrigerator Water Filter | DA29-00020B Guide, Models & Replacement

The Samsung HAF-CIN/EXP (part number DA29-00020B) is a round/cylindrical internal filter for older Samsung French door and side-by-side refrigerators made between 2010 and 2018. It is NSF 42, 53, and 401 certified, reducing 33 contaminants including lead, mercury, pharmaceuticals, and DEET. Replace every 6 months or 300 gallons.

If your Samsung fridge was made before 2018 and has a round filter slot, You need the HAF-CIN refrigerator water filter (DA29-00020B). It is one of the most popular Samsung filter types still in use, millions of older Samsung fridges still run on it. This guide gives you everything: specs, cross-reference numbers, compatible models, the difference between HAF-CIN and HAF-CINS, and a step-by-step replacement walkthrough.

Samsung HAF-CIN Water Filter | Full Specs and What Makes It Different

The HAF-CIN/EXP is Samsung’s round-shaped refrigerator filter. It predates the newer square HAF-QIN design and is still the correct filter for a large number of Samsung models currently in use. One thing most buyers do not know: the HAF-CIN actually holds NSF 401 certification which covers pharmaceuticals, DEET, herbicides, and pesticides, giving it a wider contaminant range than the newer HAF-QIN.

HAF-CIN vs HAF-CINS | What is the difference?

You will sometimes see two versions listed, HAF-CIN/EXP and HAF-CINS/EXP. The S in HAF-CINS stands for the enhanced NSF 401 certification, covering pharmaceuticals and emerging contaminants. The HAF-CINS/EXP is the newer version of the same filter with broader certification. Both fit the same filter housing. If you find either on the shelf, they are interchangeable for your fridge.

Samsung’s HAF-CIN is certified to NSF 42, 53, and 401, reducing 33 contaminants. This makes it one of the most comprehensively certified Samsung filters available.

HAF-CIN vs HAF-QIN | Which Filter Does Your Samsung Fridge Need?

This is the most common confusion Samsung owners face. HAF-CIN and HAF-QIN are both Samsung OEM filters but they are not interchangeable. They fit completely different housings. Here is the direct comparison:

If your filter is round, you need the HAF-CIN (DA29-00020B). If it is square, you need the HAF-QIN (DA97-17376B). Pull out your current filter and look at the shape, that is your fastest confirmation.

DA29-00020B Cross-Reference Part Numbers

The HAF-CIN refrigerator water filter appears under several different part numbers. All of these are the same filter or direct replacements:

If your fridge manual or filter label shows DA29-00020A, the current DA29-00020B is your direct replacement. Samsung updated the part number but the filter fits identically.

Which Samsung Refrigerators Use the HAF-CIN Filter?

The DA29-00020B fits Samsung French door and side-by-side refrigerators with a round internal filter slot, mainly 2010 to 2018 models. Use this table to check your model series:

Pull your current filter out of the fridge and check the label. If it says DA29-00020B, DA29-00020A, or HAF-CIN, the DA29-00020B is your replacement.

What Does the Samsung HAF-CIN Filter Remove?

The HAF-CIN/EXP is certified to NSF 42, 53, and 401. That is a broader certification range than many filters, including Samsung’s own HAF-QIN. Here is what each standard covers

• NSF 42, chlorine taste, odor, and particulate matter.
• NSF 53, lead (99.3% at pH 6.5), cysts, mercury, asbestos, benzene, turbidity, atrazine, and lindane.
• NSF 401, pharmaceuticals, DEET, herbicides, pesticides, and emerging contaminants. This is the certification most generic filters do not carry.

Samsung states the HAF-CIN reduces 33 certified contaminants, including more than 99% of lead and 99.99% of cysts. The NSF 401 coverage is what makes it stand out from cheaper compatible alternatives.

The CDC recommends NSF 53 certified filters for households with lead concerns, especially homes with children under 6. The HAF-CIN meets and exceeds this standard. Source: cdc.gov/healthywater/drinking

How to Replace the Samsung HAF-CIN Water Filter 

Replacing the DA29-00020B takes under 3 minutes. No tools required.

• Step 1 Open the fridge. The round HAF-CIN filter is in the upper-right interior area of the fresh food compartment.
• Step 2 Turn the filter counterclockwise about a quarter turn to unlock it. It will be released from the housing.
• Step 3 Pull the old filter straight out. Keep a cloth nearby, small drips are normal.
• Step 4 Remove the protective cap from the new DA29-00020B. Insert the filter into the housing and twist clockwise until it locks in place.
• Step 5 Reset the filter indicator. On most models, hold the ‘Water Filter’ or ‘Filter Reset’ button for 3 seconds until the light changes.
• Step 6  Flush 2-3 gallons through the dispenser and discard before drinking.

The HAF-CIN uses a twist-and-lock mechanism. If the filter drips after installation. It is likely not fully locked. Remove it and reinsert, making sure you feel and hear it click into the locked position.

FAQs

What is the Samsung HAF-CIN refrigerator water filter?

The HAF-CIN (DA29-00020B) is a round Samsung refrigerator filter for French door and side-by-side models made between 2010 and 2018, NSF 42, 53, and 401 certified for 33 contaminants.

Is DA29-00020B the same as DA29-00020A?

Yes, DA29-00020B is the updated version of DA29-00020A. They fit the same housing and DA29-00020B is the current replacement for both.

What is the difference between HAF-CIN and HAF-QIN?

HAF-CIN is round and fits older Samsung models (2010-2018). HAF-QIN is square and fits newer models (2017 onward). They are not interchangeable.

Why does my HAF-CIN filter drip after installation?

The filter is not fully locked, remove it and reinsert, twisting clockwise until you hear it click into the locked position.