Samsung DA29-00020B Water Filter: The Complete Guide

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

Functionally yes. The 00020B is the updated version of the 00020A and fits the same refrigerators. If your fridge originally used an A, buy the B, which is the version Samsung consolidated the line around.

Q: How do I know if my Samsung filter is genuine?

Genuine units carry a laser-etched date and lot code, crisp printing and consistent molding, sold through reputable channels at a normal price. Counterfeits often show fuzzy labels and very low prices, and a fake can dispense water while filtering little, so sourcing matters.

Updated July 2026 · ClearTap editorial · Samsung refrigerators

Samsung DA29-00020B Water Filter: Fit, Replacement & Look-Alikes — Filter Cartridges

A jumble of nearly identical Samsung part numbers — 00020B, 00020A, 00003G, 00019A — and every one of them insists it's "the Samsung fridge filter." Order the wrong digit and it either won't twist into the socket or, worse, seems to fit and quietly leaks down the back wall of your refrigerator two days later. The part number is not decoration. On Samsung, it's the whole game.

Short answer: The DA29-00020B (also sold as HAF-CIN or HAF-CIN/EXP) is Samsung's current genuine filter for most French-door models, rated for 6 months or about 300 gallons and certified to NSF/ANSI 42 and 53. It directly replaces the older DA29-00020A — a "B" drops into any fridge that used the "A." What it does not replace is the side-by-side DA29-00003G or the older DA29-00019A; those are different cartridges for different refrigerators. Expect $40–50 for genuine, $12–20 for certified aftermarket.

Reviewed by the ClearTap editorial team. We publish plain specs, model compatibility and NSF/EPA-based standards so you can judge for yourself — no lab-test theatre and no upsell. We do not run a water lab; our guidance is built from published specifications and NSF/EPA standards, not invented tests. General information about water quality only, not medical or drinking-water advice: for legal or health decisions about your water, test it with a certified laboratory.

What the 00020B actually is

The DA29-00020B is a carbon-block cartridge that twists into the interior of Samsung's French-door lineup — typically low on the right-hand wall or up near the ceiling of the fresh-food compartment, depending on the model year. Inside is activated carbon certified to reduce chlorine taste and odor (NSF/ANSI 42) plus lead, certain cysts, and select chemicals (NSF/ANSI 53). It's the successor to the 00020A, and the "B" revision was a minor mechanical update — the two are cross-compatible, so a fridge that shipped with an "A" takes a "B" without any adapter.

Which Samsung refrigerators take it

The 00020B covers a broad swath of French-door models. The reliable way to confirm is your appliance model sticker, but these families commonly use it:

Model family (examples)	Type	Uses DA29-00020B?
RF28, RF30, RF31 French door	French door	Yes (verify by sticker)
RF4287, RFG29x, RFG23x	French door / four-door	Yes (verify by sticker)
RS side-by-side (older)	Side-by-side	No — usually 00003G
Older French door (pre-2013)	French door	Sometimes 00019A

Rule of thumb: modern Samsung French door, interior twist-in cartridge, you're looking at a 00020-series filter, and the current one to buy is the B.

The look-alikes that trip everyone up

Samsung's numbering is unusually cruel because the prefix is identical. Here's how the common confusions break down:

Part	Also called	Belongs in
DA29-00020B	HAF-CIN, HAF-CIN/EXP	Current French-door models
DA29-00020A	HAF-CIN (early)	Same fridges — superseded by 00020B
DA29-00003G	HAFCU1, Aqua-Pure Plus	Older side-by-side (RS) — not a substitute
DA29-00019A	HAF-CU1	Certain older French-door units

The 00020A ↔ 00020B swap is safe. Every other jump on this table is a different filter — the shared "DA29" prefix is the trap, not a signal of compatibility.

Replacing it: the two-minute version

Locate the cartridge inside the fridge — usually a cylindrical housing on the upper-right wall or at the top.
Turn the old filter roughly a quarter-turn counter-clockwise until it releases, then pull it straight out. Expect a little water; keep a towel underneath.
Insert the new 00020B, align the tab, and turn clockwise until it seats firmly. It should stop with a defined click, not spin freely.
Run 2–4 gallons through the dispenser to flush carbon dust and clear the air, then reset the filter indicator (hold the "ice type/filter" button per your manual).

The counterfeit problem is real: Samsung filters are among the most faked cartridges sold online. A convincing counterfeit can fit and dispense water while filtering almost nothing, because the certification it prints is borrowed, not earned. We can't bench-test cartridges ourselves — what we can tell you is to buy where the supply chain is verifiable, look for the laser-etched code and clean printing on genuine units, and treat a "genuine Samsung" filter priced at $6 as exactly as trustworthy as that price suggests.

When to swap it out

The door indicator counts months, not gallons, so let the water lead. Replace when the dispenser flow noticeably weakens, when chlorine or a stale taste creeps back, or when ice turns cloudy or smells faintly of the freezer. On well water or heavily chlorinated municipal supplies, you may hit those signs before the six-month mark — the 300-gallon rating assumes reasonably clean feed water.

Common mistakes

Ordering by prefix. "DA29" is not a filter — it's a family. The digits after it decide fit. Read all of them.
Cross-shopping the 00003G. That's the side-by-side filter. It will not correctly serve a French-door model built for the 00020B.
Chasing the cheapest "genuine" listing. A rock-bottom price on a supposedly authentic Samsung filter is the single strongest counterfeit signal.
Skipping the flush. A new carbon cartridge sheds fine black dust on first use. Two to four gallons clears it; drinking the first glass just relocates it to you.
Over-tightening. The cartridge seats with a firm quarter-turn, not a wrench. Cranking it risks cracking the housing and causing the slow rear-wall leak people blame on the filter itself.

FAQ

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

Functionally yes — the 00020B is the updated version of the 00020A and drops into the same refrigerators. If your fridge originally used an "A," buy the "B." Samsung consolidated the line around the B, so it's what you'll generally find in stock now.

Will a DA29-00003G work in my French-door Samsung?

No. The 00003G (Aqua-Pure Plus / HAFCU1) is built for older side-by-side models and has a different housing and mount. Despite the shared DA29 prefix, it is not a substitute for the French-door 00020B. Match your model, not the prefix.

How do I know if my Samsung filter is genuine?

Genuine units carry a laser-etched date/lot code, crisp printing, and consistent molding, and they come through reputable sellers at a normal price. Counterfeits often show fuzzy labels, misaligned seams, and suspiciously low prices. Because a fake can dispense water while filtering little, sourcing matters as much as the part number.

Can I run my Samsung fridge without the filter?

Many models accept a bypass plug so water still flows unfiltered, and some will dispense with the housing empty. The water isn't filtered in that state — you lose the chlorine, lead and cyst reduction the cartridge provides. It's a stopgap, not a plan.

Related:

General information based on manufacturer specifications and NSF/ANSI standards, not independent lab testing or medical advice. Filter performance and pricing vary by model, water quality and region. For health or legal decisions about your water, test it through a state-certified laboratory.