Under-sink replacement match
Brondell Coral three-stage under-counter replacement filter set
Part UF-35 for select Brondell filtration systems, including UC300.
UF-35 fit summaryBrondell identifies UF-35 as the three-filter replacement set for the Coral UC300. The Coral UC100 uses a different single-cartridge replacement.
Buy NowCompatible systems in our guide
UC300
Replacement guidance
Every 12 months or 600 gallons. Multi-stage systems can require different schedules for different cartridges, so use the manual rather than replacing every stage automatically at the same time.
Checks before purchasing
- Confirm the complete system model and stage count.
- Compare the installed cartridge or membrane part number.
- Confirm membrane capacity and connection style where applicable.
- Review the manufacturer’s current compatibility information.
How this entry was verified
We used the named manufacturer’s replacement information as the primary compatibility reference. Retailer descriptions are a purchasing aid, not our source of truth.
Open manufacturer information →