Samsung DA29-00020B Fridge Water Filter, HAF-CIN/EXP, Blocks Pharmaceuticals

Tap water isn't as clean as it looks. Even after standard treatment, trace amounts of chlorine, lead, and yes — pharmaceuticals like ibuprofen and atenolol — can still make their way to your glass. This genuine Samsung DA29-00020B filter (also labeled HAF-CIN/EXP) is built to catch all of that before it reaches your family.

It's a factory-original part, not a lookalike. That matters more than people realize — off-brand filters are a common cause of leaks around the housing, and a bad seal can quietly damage the fridge itself over time. This one is made to snap into place exactly the way Samsung designed it, no wiggle room, no drips.

What it actually filters out

Tested and certified by NSF International across three separate standards (42, 53, and 401), this filter is rated to reduce over 40 contaminants, including:

• Chlorine taste and odor
• Lead and mercury
• Cysts and asbestos
• Industrial chemicals
• Trace pharmaceuticals such as ibuprofen and atenolol

That last category is worth calling out — a lot of budget filters only cover taste and basic sediment. The 401 certification specifically means this one goes further

Swapping it out takes about five minutes

1. Turn off the fridge's water line.
2. Twist the old filter a quarter-turn counterclockwise and pull it out.
3. Pop the cap off the new filter — a tiny dab of vegetable oil on the O-rings helps it seat smoothly.
4. Push it into the housing, then twist a quarter-turn clockwise until it clicks.
5. Turn the water line back on.
6. Run the dispenser for 3–5 minutes to clear out air and loose carbon (some sputtering at the start is normal, don't worry about it).
7. Hold the filter reset button until the light clears.

Also fits filters labeled:
HAF-CIN, HAF-CIN-EXP, HAF-CIN/XME, DA29-00020A, DA29-00019A, DA97-08006A, DA97-08006A-B

And cross-compatible with:
46-9101, EFF-6027A, CLCH105, RWF1011, RWF0700A, WSS-2, CF7, PH21310, WF294, WD-DA29-00020B