Waterdrop INL Inline Water Filter for Refrigerator and Ice Maker
- Water Filter
- Activated Carbon
- 1
- 1
- More reviewed than 56%
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How it ranks among the 81 water filters we track
4.6★ across 1,800 Amazon ratings, Bayesian-smoothed toward the category average.
1,800 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 81 water filters we track - how the scorecard works · full water filters data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 15, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
An NSF 42 certified inline water filter for refrigerators, ice makers, and other 1/4-inch water lines, using a coconut shell carbon block rated for about a year of use.
This is a universal inline filter rather than a proprietary cartridge, installed in the water line ahead of the appliance instead of inside the fridge housing, which is why it lists compatibility across Samsung, LG, Whirlpool, GE, and several other brands. It comes with both compression and push-to-connect fittings, and the listing is explicit that it will not reduce total dissolved solids.
- NSF 42 certified for chlorine, taste, and odor
- Fits any 1/4-inch water line
- 1-year filter lifespan
- Compression and push-to-connect fittings included
Who it's for
Anyone whose refrigerator lacks a built-in filter, or who wants to add filtration ahead of an ice maker, water cooler, or RV water line. Not a fit if you specifically need TDS reduction.
What buyers say
From Amazon customer reviews.
Reviewers consistently described the install as quick, often under 15 to 20 minutes including moving the fridge, and said the kit includes the fittings needed without a hardware store trip. Several noted a clear improvement in ice and water taste, including on units that already had a built-in filter, and one reviewer needed a small workaround since the included tubing wasn't an exact match for their setup.
Strengths and trade-offs
Drawn from this product's published specifications.
- Installs in about 15 minutes per reviewers
- Noticeable taste and odor improvement
- Compatible with a wide range of fridge brands
- Includes both compression and push-to-connect fittings
- Does not reduce total dissolved solids
- Included tubing may not match every setup exactly
Performance notes
The coconut shell activated carbon block filters to a stated 0.5 micron accuracy and carries NSF 42 certification for reducing chlorine, taste, and odor, plus NSF 372 for lead-free materials. It sits inline on any 1/4-inch line rather than requiring a dedicated fridge filter housing.
Specifications
| Brand | Waterdrop |
|---|---|
| Dimensions & fit | |
| Item Weight | 14.4 ounces |
| Item Dimensions D x W x H | 3.4 × 3.4 × 10.8 inches |
| Construction & materials | |
| Material Type | Activated Carbon |
| Included components | |
| Unit Count | 1 |
| Included Components | 1/4" PE tubing |
| Warranty & support | |
| Manufacturer Warranty Description | 1 year |
| Other details | |
| Number of Items | 1 |
| Product Benefits | Reduces Chlorine, taste and odor |
| External Testing Certification | NSF |
Other Waterdrop water filters
How it compares
This product against the closest alternatives we track in water filters.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Waterdrop INL Inline Water Filter for Refrigerator and Ice MakerThis product | 4.6 / 5 | 1,800 | 3.9 / 5 |
| Frigidaire ULTRAWF Water Filter & PAULTRA Air Filter Combo PackFrigidaire | 4.7 / 5 | 12,500 | 4.7 / 5 |
| PUREPLUS ADQ747935 Replacement for LG LT1000P LT1000 Kenmore Elite 9980 LT1000PCPureplus | 4.6 / 5 | 9,800 | 4.5 / 5 |
| ICEPURE DA2900020B Refrigerator Water Filter Replacement for Samsung DA2900020AIcepure | 4.7 / 5 | 7,800 | 4.5 / 5 |
| GLACIER FRESH UKF8001 Compatible with Whirlpool Refrigerator Water Filter 4Glacier Fresh | 4.7 / 5 | 4,061 | 4.5 / 5 |
Similar water filters from other brands
Questions about the Waterdrop water filters
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Will this fit my Samsung or LG refrigerator?
It's listed as compatible with Samsung, LG, Whirlpool, Kenmore, Frigidaire, GE, Culligan, and Aqua-Pure refrigerator lines, among others.
How long does the filter last?
It's rated for about 1 year of use.
Does it reduce total dissolved solids?
No, the listing states it will not reduce TDS.