Description
Maintaining clean, great-tasting RO water for up to 12 months, the WD-F1A is the first-stage replacement filter for the Waterdrop X Series reverse osmosis system. It twists in and out in seconds, with no tools or plumber required.
Key Features
- 12-Month Service Life: Provides up to a year of filtration, rated for 1,100 gallons, depending on your water conditions.
- 3-Second Replacement: A simple twist-and-pull change takes no extra tools and no plumber.
- Certified Performance: Listed by Waterdrop to NSF/ANSI 42 and 372.
- Remineralization: Returns beneficial calcium and magnesium to the water and balances pH to about 7.5.
- Wide X Series Fit: Compatible with the X8-A, X12, X12-B, X12-PRO, X16, and X16-S systems.
Actual replacement timing depends on your water usage and tap water quality, so change it every 12 months or sooner if conditions demand.
You can change the filter yourself in seconds, so follow the instructions for your model.
Restoring minerals gives the water a balanced pH of about 7.5 and a cleaner, more pleasant taste.
Technical Specification
| Item | Specification |
|---|---|
| Model Number | WD-F1A |
| Filter Position | First-stage replacement filter |
| Compatible Systems | Waterdrop X Series RO: X8-A, X12, X12-B, X12-PRO, X16, X16-S |
| Rated Capacity | 1,100 gallons |
| Filter Lifespan | Up to 12 months, depending on water usage and quality |
| Certifications | NSF/ANSI 42 and 372 (as listed by Waterdrop) |
| Remineralization | Adds calcium and magnesium; pH about 7.5 |
| Replacement | Twist and pull, no tools required |
| Dimensions | 3.46 × 3.46 × 16.81 in |
| Weight | 1.71 lbs |








