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Specs
- Made by
- Waterdrop
- SKU
- WD-MNR35
- Waterdrop model
- WD-MNR35
- Type
- Replacement filter
- Category
- RO replacement filter
- Change about every
- 12 months
- Rated capacity
- 1,100 gallons
- Daily output
- 400 gallons per day
- Filter life, as stated
- 12 months or 1100 gallons
Specs are from Waterdrop's product page. Anything Waterdrop does not state is left out.
Fits these models
Listed for
What it is certified for
We show only the certification statements Waterdrop gives for this product, word for word. You can check them in the certifier's public listing.
About this filter
The Waterdrop WD-MNR35 is a remineralization add-on replacement filter designed for under-sink reverse osmosis setups. It helps restore fresh taste to your drinking water after filtration.
This cartridge works as a post-filter for your reverse osmosis unit. It is rated to filter up to 1,100 gallons and lasts about 12 months.
Installation and Safety
Always turn off the cold water supply before you service an under-sink filter. Relieve any standing line pressure before removing the old housing or cartridge.
After you put in the new filter, run water through it before drinking. Follow the flushing directions on the package. If you are not sure about doing plumbing work yourself, call a licensed plumber.
Filter Life and Output
The stated filter life for model WD-MNR35 is 12 months or 1,100 gallons. Change it sooner if your daily flow slows down or if your system indicator light turns on.
This replacement cartridge features a daily output rating of 400 gallons per day to keep your RO faucet running smoothly.
What it fixes
- Replaces an expired MNR35 remineralization cartridge.
- Restores water output for reverse osmosis systems needing fresh post-filtration.
- Maintains clean flow with a daily output rate of 400 gallons per day.
- Refreshes water taste after reverse osmosis processing.
How to confirm it fits
- Locate the label on your current under-sink filter housing or cartridge.
- Check that your existing cartridge lists part number MNR35.
- Confirm your reverse osmosis system model is listed as MNR35.
- Match the Waterdrop model number WD-MNR35 to your system manual.
- Verify you need an RO replacement filter cartridge.
Questions
What part numbers does the WD-MNR35 replace?
The Waterdrop WD-MNR35 replaces part number MNR35.
How often should I change this filter?
Change it about every 12 months, or after 1,100 gallons of use. You may need to change it earlier if water flow drops.
What is the daily output rating for this unit?
The rated daily output is 400 gallons per day.
Do I need to turn off my water to swap this filter?
Yes. Turn off your water supply before changing any under-sink filter. Call a licensed plumber if you are uncertain.
Guides for this filter
Shipping and returns
Orders ship from Waterdrop in 1 to 3 business days. Free standard shipping on orders over $35.
Wrong fit or a problem? Contact us within 30 days of delivery.
Full shipping and return policy