Model number
WD-WF13
Operating temperature
40-100℉ / 5-38℃
Working pressure
15-100 psi / 100-689 kPa
Flow rate
1 GPM / 3.8 LPM (tested under 60 psi)
Feed water requirement
Municipal tap water
Filter capacity
Municipal tap water
Filter capacity
12 months or 8,000 gallons
What should I do if water leaks after installation?
In the event of water leakage, turn off the water supply. If the water leakage is occurring at the thread, wrap the Teflon tape around the external thread. If the water leakage is occurring at the quick connection position, insert the quick-connect fitting to the end and make sure the hoses hit the bottom of the fitting. Contact us for solutions if the water leakage persists.
Why does the TDS value not decrease after filtration?
The main purpose of this waterdrop filter is not to remove TDS. TDS stands for total dissolved solids, and it is basically composed of inorganic salts and a small amount of organic matter. The filter can remove harmful substances while keeping beneficial trace elements. Please choose Waterdrop RO system if you are looking for physical removal of TDS.
When should I replace the filter?
The filter's service life is related to water quality. If the flow rate is significantly reduced or if the water has a peculiar smell, we suggest that you replace the filter.
Why does black water come out during flushing?
It's normal that black water comes out when flushing. The purpose is to remove carbon powder remaining on the surface of filter materials. You can normally use it after flushing for 5 minutes.
Compatible with
Waterdrop Stainless-Steel Under Sink Water Filtration System
NSF/ANSI 42&372 Certified
The under sink water filter is NSF/ANSI 42 certified to reduce chlorine, taste, and odor and NSF/ANSI 372 certified for containing lead-free materials, ensuring your drinking water safety.
5+1 Stage Filtration Technology
Effectively reduces harmful substances such as chlorine, lead, chloroform and heavy metals, while adding essential minerals for safer, healthier hydration.
12-Month Filter Lifespan
Unlock a year of pure, filtered water without the hassle of constant replacements. Enjoy continuous convenience.
Mineralized Water
This filter uses a creative remineralization technology. Your bones, nervous system, and cardiovascular health greatly benefit from adequate mineral supplementation.
Easy Replacement
Simply unscrew the filter container, add the new filter, and screw it back in. For optimal freshness, we recommend replacing the filter every 12 months. This may vary based on your water quality.