Short answer

To find the correct refrigerator water filter, first check the filter number printed on your current cartridge. Then match it to an OEM replacement, a certified compatible replacement, or a trusted aftermarket option.

Do not buy by refrigerator brand alone. A Whirlpool, GE, Samsung, LG, or Frigidaire refrigerator may use different filters depending on the exact model and production series.

Filter finder checklist

Before buying a replacement filter, collect these three pieces of information:

1. Current filter number: Printed on the old cartridge.
2. Refrigerator model number: Usually inside the fridge compartment, door frame, wall, or near the crisper area.
3. Brand: GE, Whirlpool, Samsung, LG, Frigidaire, Kenmore, KitchenAid, Maytag, Bosch, or another brand.

If the old filter has multiple numbers printed on it, write all of them down. Some filters have OEM part numbers, alternate numbers, certification numbers, and replacement-family numbers on the same label.

Refrigerator water filter replacement chart

Use this chart as a starting point. Always verify fit with your refrigerator model and current filter number before ordering.

Compatibility warning: This chart is a guide, not a guarantee. Refrigerator water filters are not universal. Always verify the filter number printed on your old cartridge or confirm the filter number through your refrigerator model before buying.

How to find your refrigerator water filter number

The easiest way to find the correct replacement is to remove your current filter and read the part number printed on the cartridge. Look for numbers such as RPWFE, XWFE, EDR1RXD1, HAF-CIN, DA29-00020B, LT1000P, ULTRAWF, WF3CB, or EPTWFU01.

Where to look for the filter

• Inside the refrigerator compartment, usually in the upper-right corner
• Behind the lower grille
• Inside the top-left or top-right ceiling area
• In a filter compartment near the door
• Behind a push-button or twist-lock housing

Where to find the refrigerator model number

If the filter label is missing or unreadable, look for the refrigerator model number instead. It is often printed on a sticker inside the fresh-food compartment, on the side wall, near the crisper drawer, or around the door frame.

Refrigerator water filter replacements by brand

GE refrigerator water filter replacements

GE refrigerator owners commonly search for RPWFE and XWFE filters. These are not automatically interchangeable, so confirm the exact number printed on your current filter or in your refrigerator manual.

Compare GE filters on Amazon | Compare GE-compatible Waterdrop filters

Whirlpool, KitchenAid, Maytag, Amana, and JennAir refrigerator water filter replacements

Whirlpool-family refrigerators commonly use EveryDrop filter families such as Filter 1, Filter 2, Filter 3, and Filter 4. Match the exact EveryDrop number before buying. EDR1RXD1, EDR2RXD1, EDR3RXD1, and EDR4RXD1 are different filter families.

Compare EveryDrop filters on Amazon | Compare Glacier Fresh options | Compare Waterdrop options

Samsung refrigerator water filter replacements

Samsung refrigerators commonly use filter families such as HAF-CIN / DA29-00020B and HAF-QIN / DA97-17376B. These are different families, so do not order one unless it matches your refrigerator and current cartridge.

Compare Samsung filters on Amazon | Compare Waterdrop options | Compare Glacier Fresh options

LG refrigerator water filter replacements

LG refrigerator owners commonly search for LT1000P, LT700P, and LT800P replacement filters. These filter families are different. Match the exact part number on your old filter before ordering.

Compare LG filters on Amazon | Compare Waterdrop options | Compare Glacier Fresh options

Frigidaire refrigerator water filter replacements

Frigidaire refrigerators may use ULTRAWF, WF3CB, EPTWFU01, or other filter families depending on the exact model. Do not assume that all Frigidaire filters are interchangeable.

Compare Frigidaire filters on Amazon | Compare Waterdrop options | Compare Glacier Fresh options

How to choose the right replacement refrigerator water filter

1. Match the filter number first

The number printed on the old cartridge is usually the most useful compatibility clue. A filter that looks similar may still have a different locking mechanism, bypass design, or fitment.

2. Decide between OEM and aftermarket

OEM filters are made or branded by the refrigerator manufacturer or its official filter brand. Aftermarket filters are made by third-party brands. Aftermarket filters may cost less, but you should verify compatibility and certification claims before buying.

3. Check certifications and claims

Many refrigerator filter listings mention standards, contaminant reduction claims, or certification references. Read the product page carefully. Do not assume two filters reduce the same contaminants just because they fit the same refrigerator.

4. Compare single filters vs multipacks

Multipacks often reduce the cost per filter and make sense if you are confident about compatibility. If you are not sure the filter fits, buy one first.

5. Write the install date on the filter

After installing the new filter, write the installation date directly on the cartridge or on a small label near the filter housing. This makes it easier to know when the filter was last changed without needing a reminder system.

Best buying options

For most shoppers, the best buying path is:

1. Amazon: best for trust, quick delivery, and easy comparison.
2. Direct filter brands: best for multipacks, direct discounts, and subscription-style offers.
3. OEM brand: best when you only want the manufacturer-branded replacement.

What not to do when buying a replacement filter

• Do not buy by refrigerator brand alone.
• Do not assume filters are interchangeable because they look similar.
• Do not ignore the old cartridge number.
• Do not buy a multipack until you are sure the filter fits.
• Do not assume every aftermarket filter has the same certifications or contaminant reduction claims.
• Do not force a filter into the housing if it does not lock in easily.

FAQ

How do I know which refrigerator water filter I need?

Remove the current filter and read the part number printed on the cartridge. If the label is missing or unreadable, use your refrigerator model number and confirm compatibility through the product listing or manufacturer resources.

Are refrigerator water filters universal?

No. Refrigerator water filters are not universal. Filters can differ by shape, locking mechanism, bypass design, flow, and compatibility.

Can I use an aftermarket refrigerator water filter?

You can use an aftermarket filter if it is explicitly listed as compatible with your refrigerator or current filter number. Check the product page carefully for fitment and certification information.

Is OEM better than aftermarket?

OEM is the safest choice when you want the manufacturer-branded replacement. Aftermarket filters may be more affordable, especially in multipacks, but compatibility and certification claims should be verified before buying.

How often should I replace my refrigerator water filter?

Follow your refrigerator and filter instructions. Many households replace filters on a regular schedule, but usage, water quality, and filter capacity can change the timing.

What if my old filter number has several different replacement numbers?

Some filters have alternate numbers, older part numbers, and cross-reference numbers. Match the replacement against both the old cartridge number and the refrigerator model before buying.

Should I buy a single filter or a multipack?

Buy a single filter first if you are unsure about compatibility. Buy a multipack only after you know the filter fits your refrigerator.