A refrigerator filter store is not a shelf of look-alike cartridges. It is a place where the right filter finds you — by the part number on the cartridge already in your fridge, not by the brand on the door. If you start from the fridge model alone, you can easily buy the wrong cartridge. If you start from the part number, you almost never do.
This guide shows you how to buy from a refrigerator filter store the right way: find your number, check it is genuine, compare the honest price, and change it yourself in minutes.
Start From the Part Number, Not the Fridge Brand
Open your fridge, pull the old cartridge out, and read the label. That number is your order. Whirlpool-family fridges take EveryDrop Filters 1 to 5 and Filter A. GE fridges take RPWFE, XWFE, MWF or GSWF. Frigidaire fridges take WF3CB, EPTWFU01 and PureSource numbers. Samsung fridges take DA29 numbers. The label always has the final say — a model name alone can cover two or three different housings.
If the label is faded, check the manual’s filter specification. If you still cannot read it, send the store your fridge model number first and ask them to confirm the filter before you order. A good refrigerator filter store will do that check for free. If a store will not, buy elsewhere.
Genuine vs Generic: What the Price Really Buys
A genuine cartridge is a certified filtration device, not a shaped sponge. Genuine EveryDrop cartridges are certified to NSF/ANSI Standards 42, 53 and 401, and Filter 1 is certified to reduce up to 70 contaminants, including lead, pesticides and pharmaceuticals. That is the answer to the question “water filters that remove lead” — the genuine cartridge, with its certification printed on the product page.
A generic cartridge copies the shape, not the specification. It may click into the housing while carrying unverified carbon, no checkable certification, and a seal that lets water bypass the media. The fridge runs, the water looks fine, and the filtration you paid for is not happening.
Carbon is the part that does the work. The question “what do carbon filters remove from water” has a plain answer: a certified activated carbon block reduces chlorine taste and odour, lead, and a long list of chemicals — but only if the carbon is the certified kind, in the right housing, changed on time. That is why the genuine cartridge matters more than the discount.
What a Genuine Filter Should Cost
Here is the honest price picture at Discounted Filter Store, with free US shipping on any order size:
| Filter | Genuine price here | What to know |
|---|---|---|
| EveryDrop Filters 1–5 and Filter A | $39.99 one-time | Official EveryDrop store charges $59.99 one-time, $48 by subscription |
| GE GSWF | From $37.99 | The lowest-priced genuine GE filter here |
| GE MWF | From $38.99 | The long-running GE generation |
| GE RPWFE | From $59.99 | The chipped GE cartridge — buy genuine or the fridge may warn you |
| GE XWFE | From $69.99 | The successor to the MWF generation |
| Frigidaire WF3CB | From $35.99 | PureSource 3 replacement |
| Frigidaire EPTWFU01 | From $34.99 | PurePour replacement |
| Samsung DA29-00020B | From $36.97 | Check the exact DA29 number on your label |
| Samsung DA29-00003G | From $38.99 | Also sold as Aqua-Pure Plus |
| Bosch BORPLFTR50 / BORPLFTR30 | From $42.99 / $38.99 | Bosch refrigerator filters |
If you are shopping for discount refrigerator water filters, compare the genuine price, not the cheapest copy. A $39.99 genuine EveryDrop filter with free shipping beats a $15 copy with no certification every time — because the copy does not filter, it only fits.
How to Change It Yourself
Every replacement follows the same four beats — remove, seat, flush, reset.
- Remove the old cartridge. Twist, push the release button, or swing it out, depending on your housing. Turn gently; housings are plastic.
- Seat the new cartridge until it locks firmly. A cartridge a quarter-turn short is the classic cause of slow flow and drips after a change.
- Flush. Run the dispenser for several minutes and discard the water, plus the first batch of ice, to clear air and loose carbon.
- Reset the filter light using your model’s method, and note the date. Most cartridges run on a roughly six-month cycle — Filter 1 is rated 200 gallons and 6 months.
If the flow is slow after a change, check the seat first. Do not assume the cartridge is faulty. Refit it until it clicks, flush again, and reset. If the light comes back on, refit, then reset again. Our full guide to which EveryDrop filter you need walks through the label test in detail: https://discountedfilterstore.com/which-everydrop-filter-do-i-need/
What a Good Store Should Give You
A refrigerator filter store should give you four things, and you should not settle for fewer:
- The genuine cartridge, by part number, with its certification stated on the product page.
- Free shipping with no minimum order, so a single $39.99 filter does not cost $50 by the time it arrives.
- Fast processing — 1–2 business days — and delivery in 3–5 business days via USPS.
- Free 30-day returns with a prepaid label, so an unopened wrong filter is not your loss.
That is what this store does. Orders are processed in 1–2 business days, delivered in 3–5 business days via USPS, and unopened filters return within 30 days, free, with a prepaid label.
Frequently Asked Questions
Which refrigerator filter does my fridge take?
Read the label on the cartridge already in the fridge. That number is your order. Whirlpool takes EveryDrop, GE takes RPWFE, XWFE, MWF or GSWF, Frigidaire takes WF3CB or EPTWFU01, Samsung takes a DA29 number. Our GE guide maps all three GE families side by side: https://discountedfilterstore.com/ge-refrigerator-water-filter-replacement/
Is a genuine filter worth $39.99 when copies cost less?
Yes. The genuine cartridge is certified, sealed for your exact housing, and made to the flow rate your fridge was designed around. A copy competes on shape and price, with claims that are typically unverifiable.
How often should I change my refrigerator filter?
About every 6 months, or 200 gallons for most EveryDrop cartridges. Change sooner if the stream thins, ice shrinks, or taste returns — the symptoms outrank the calendar.
Can I use an EveryDrop filter in a GE or Samsung fridge?
No. EveryDrop cartridges are made for Whirlpool-family housings. GE and Samsung housings are physically different, and forcing a fit risks leaks and unfiltered bypass. Buy the genuine cartridge your label specifies.
What if I order the wrong filter?
Do not force it into the housing. Unopened filters return within 30 days, free, with a prepaid label, and if you send us your model number first we will confirm the right filter before you order.
Where do I start if I only know my fridge brand?
Start with the brand hub: Whirlpool (https://discountedfilterstore.com/whirlpool-refrigerator-water-filter/), Samsung DA29 (https://discountedfilterstore.com/samsung-da29-water-filter-guide/), Frigidaire WF3CB (https://discountedfilterstore.com/frigidaire-wf3cb-filter-guide/) or Frigidaire EPTWFU01 (https://discountedfilterstore.com/frigidaire-eptwfu01-filter-guide/). Each hub maps every model to its filter by housing location.