Is the Waterdrop LT1000PC Refrigerator Water Filter Worth It?
By Maya Bennett, kitchen & home · updated 2026-07-26
A certified carbon swap for LG and Kenmore fridges, at a fraction of the brand-name price
Worth it, if your fridge is on the compatibility list
around $25price at time of review — check Amazon for current
- Worth it ifYour fridge matches one of the listed LG or Kenmore model numbers
- Skip it ifYour refrigerator isn't on the compatibility list
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You fill a glass from the fridge door, take a sip, and there's this faint plastic-y flatness to it that wasn't there when the fridge was new. The little reset light has been blinking amber for two weeks and you've been pretending not to see it, mostly because a replacement filter with the LG logo on it costs more than you want to think about for a piece of plastic and charcoal.
Here's where your money actually goes when you buy the brand-name version: not the filtering, the logo. Inside every one of these cartridges is a block of activated carbon, and that carbon is the entire job. Waterdrop uses a coconut shell carbon block, which is denser and has more surface area than the cheaper coal-based carbon some filters use, so it has more places for chlorine, odor compounds, and taste-affecting particles to get trapped as water pushes through it. The filter carries NSF 42 certification (taste, odor, chlorine reduction) and NSF 372 (lead-free compliance), which just means an independent lab checked that the carbon and the plastic housing both do what's claimed, not just the marketing copy. The other half of the equation is fit: it's built to the same dimensions as the LG LT1000P and LT120F air filter it replaces, so it seats and seals the same way, twisting into place without tools. That's the whole trick, get the carbon right and the fit right, and the badge on the front stops mattering.
You're not paying for an LG filter, you're paying for LG's exact filter slot, and the carbon inside is the only part actually touching your water. Once you separate those two things, the brand name on the cartridge stops being the thing you're shopping for.
Worth it if
- Your fridge matches one of the listed LG or Kenmore model numbers
- You want NSF-certified filtration without paying for the brand name
- You'd rather twist in a new filter yourself than call a repair tech
Skip it if
- Your refrigerator isn't on the compatibility list
- You specifically want the OEM-branded cartridge for warranty reasons
- You're chasing a filter for microplastics specifically, this isn't marketed for that
Not for anyone whose fridge model isn't on the LG or Kenmore compatibility list, a mismatched filter won't seat properly.
If you own one of the compatible LG or Kenmore fridge models and just want the reset light off and water that doesn't taste like the inside of a cooler, this is a quiet yes. If your fridge model isn't on the compatibility list, skip it, a filter that doesn't match your housing won't seal right no matter how good the carbon is.
Check price on Amazon · around $25 or Add it to your Amazon cart to sit on it
Before you go
Do Waterdrop filters actually work?
The coconut shell carbon block is NSF 42 and NSF 372 certified, which means an independent lab confirmed it reduces chlorine, taste and odor issues while meeting lead-free material standards.
Is Waterdrop a Chinese company?
Yes, Waterdrop is a Chinese-founded brand, though its filters are certified against US NSF standards for the models they're built to replace.
How do you change the filter on a Waterdrop refrigerator?
It's a tool-free twist installation designed to match the original LG filter housing, so you remove the old cartridge and turn the new one into place the same way.
Full spec sheet
| Material | Water Filter |
|---|---|
| Product Dimensions | 5.71"D x 3.54"W x 7.09"H |
| Item Weight | 1.2 pounds |
| External Testing Certification | NSF 42 – Reduces aesthetic impurities |