Waterdrop WDP-F03 Water Filter
- Water Filter
- 1
- Water Filter
- 13.4 ounces
- More reviewed than 59%
A slim replacement cartridge with four NSF certifications, a stronger paper trail than most filters in this range, though compatible systems aren't named.
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How it ranks among the 76 water filters we track
4.7★ across 787 Amazon ratings, Bayesian-smoothed toward the category average.
787 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 76 water filters we track - how the scorecard works · full water filters data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Waterdrop WDP-F03 is a compact replacement water filter cartridge carrying NSF 42, 53, 401 and 372 certification, weighing under a pound at 12.6 inches long.
Waterdrop lists four separate NSF standards on this cartridge, a wider certification stack than most single filters in this category, covering chlorine taste and odor (42), health-related contaminants (53), incidental contaminants (401) and lead-free compliance (372). The listing doesn't specify which fridge or under-sink system the cartridge is cut for, so fit still needs checking against the housing it's replacing.
- NSF 42, 53, 401 and 372 certified
- 0.84 lb weight
- 12.6 in length
- Single cartridge pack
Who it's for
Suits a buyer who wants a filter with a documented NSF certification stack rather than a vague marketing claim, and who has already confirmed their system takes this cartridge's dimensions. Not for someone who needs the exact compatible model list spelled out in the listing itself.
Strengths and trade-offs
Drawn from this product's published specifications.
- Four NSF certifications on one cartridge
- Under a pound, easy to handle
- Slim profile fits narrow housings
- No compatible model list in the listing
Performance notes
The cartridge is rated against NSF/ANSI 42 for taste and odor, 53 for health-related contaminant reduction, 401 for incidental contaminants such as pharmaceuticals, and 372 for lead-free material compliance. At 2.36 x 2.36 x 12.6 inches it's a slim, elongated cartridge shape rather than a compact puck filter.
Specifications
| Brand | Waterdrop |
|---|---|
| Model | WDP-F03 |
| Pack Count | 1 |
| Material | Water Filter |
| Weight | 13.4 ounces |
| Dimensions | 2.4 × 2.4 × 12.6 inches |
| 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 WDP-F03 Water FilterThis product | 4.7 / 5 | 787 | 3.9 / 5 |
| Filterlogic FL-RF46 Water FilterFilterlogic | 4.5 / 5 | 6,368 | 4.4 / 5 |
| Golden Icepure GP-RWF0600A Water FilterGolden Icepure | 4.7 / 5 | 3,800 | 4.4 / 5 |
| Glacier Fresh GF-700P Water FilterGlacier Fresh | 4.7 / 5 | 1,500 | 4.3 / 5 |
| Pureline PL-400-S Water FilterPureline | 4.7 / 5 | 6,300 | 4.1 / 5 |
Similar water filters from other brands
Questions about the Waterdrop WDP-F03
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What certifications does the WDP-F03 carry?
NSF/ANSI 42, 53, 401 and 372.
How much does it weigh?
0.84 lb.
What are its dimensions?
2.36 x 2.36 x 12.6 inches.