Waterdrop WDP-F03 Water Filter
- External Testing Certification: NSF
- Product Benefits: Reduces Chlorine, phenytoin, naproxen, estrone, bisphenol, lead, benzene, mercury, PFOA&PFOS in water
- Material Type: Water Filter
- Number Of Packs: 1
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
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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ASIN: B01CC7GT0SModel: WDP-F03Category: Household Water Filters
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.
Pros and cons
- 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 |
| Dimensions & fit | |
| Item Weight | 0.84 poundslower than 71% of 35 household water filters |
| Item Dimensions D X W X H | 2.4 × 2.4 × 12.6 inches |
| Construction & materials | |
| Material Type | Water Filter |
| Compatibility & installation | |
| Compatible Refrigerator Models | LG LFD21870ST, LG LFD22860SB, LG LFD22860SW, LG LFD23860ST, LG LFD23860SW, LG LFD25860SB, LG LFD25860ST, LG LFD25870ST, LG LFX21980ST, LG LFX23961SW, LG LFX23965SW, LG LFX25961SB, LG LFX25971SB, LG LFX25971SW, LG LFX25975SW, LG LFX28977ST, LG LFX28977SW, LG LMX21981ST, LG LMX25981SW, LG LMX25984ST, |
| Included components | |
| Number Of Packs | 1 |
| Unit Count | 1 |
| Included Components | Month Install Stickers, Refrigerator Water Filter Replacement*1, User's Manual*1 |
| Other details | |
| External Testing Certification | NSF |
| Product Benefits | Reduces Chlorine, phenytoin, naproxen, estrone, bisphenol, lead, benzene, mercury, PFOA&PFOS in water |
| Number Of Items | 1 |
| Item Highlight | Replacement For LG® LT600P®, KENMORE® 9990, 46-9990, WFC2001, 5231JA2006B, RWF1000A, LFX25960ST, LMX25981ST |
| Item Type Name | Water Filter |
Closest rivals on specs
Maxblue MB-F11B Water Filter- Item Weight 0.84 vs 0.71 pounds (+18%)
Frequently asked questions
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.