Aquasana Claryum 2-Stage replacement set
AQ-5200R / AQ-C2-RListed for: AQ-5200, AQ-6200
Direct-filtration systems
Under-sink water filter replacements
Start with the filtration-system brand and model printed beneath the sink—not the faucet style or cartridge color.
Find the system label firstLook on the filter head, mounting bracket or cartridge housing. Photograph every model and part number before removing anything.
All filter typesResearched replacement matches
Browse 14 replacements associated with named under-sink systems using manufacturer information, then confirm the current fit with the manufacturer.
Aquasana Claryum 3-Stage replacement set
AQ-5300R / AQ-C3-RListed for: AQ-5300, AQ-6300
Aquasana Claryum 3-Stage Max Flow replacement set
AQ-5300+R / AQ-C3M-RListed for: AQ-5300+, AQ-6300M
Aquasana Claryum Direct Connect replacement cartridge
AQ-MF-1-RListed for: AQ-MF-1
Culligan EZ-Change premium replacement cartridge
RC-EZ-4Listed for: US-EZ-4, IC-EZ-4, RV-EZ-4
Culligan EZ-Change advanced replacement cartridge
RC-EZ-3Listed for: US-EZ-1, US-EZ-3, US-EZ-4, IC-EZ-1, IC-EZ-3, IC-EZ-4, RV-EZ-3
Pentair Everpure H-300-NXT quick-change cartridge
EV927441Listed for: H-300-NXT
Pentair Everpure H-300 quick-change cartridge
EV927072Listed for: H-300
PERCOLA replacement cartridge for the 3M full-flow system
3MFF101 compatibleListed for: 3MFF100, 3M FF100
GE dual-flow under-sink replacement filter set
FQK2JListed for: GXK285JBL, GXK295JNN, GXSL55R, GXSV65R, GNSV70R
Frizzlife M-series replacement cartridge
FZ-2Listed for: MK99, MK99-Black, MK99 NEW, MP99, MS99
Waterdrop direct-connect under-sink replacement filter
WD-RF10Listed for: WD-10UA, WD-10UB, WD-10UB-B
Waterdrop ultrafiltration under-sink replacement cartridge
WD-RF10-UFListed for: WD-10UA-UF, WD-10UB-UF
Brondell Coral three-stage under-counter replacement filter set
UF-35Listed for: UC300
Browse under-sink systems by model
Open a dedicated model page for a direct replacement answer and fit checks.
3M Aqua-Pure compatible 3M FF100 →3M Aqua-Pure compatible 3MFF100 →Aquasana AQ-5200 →Aquasana AQ-5300 →Aquasana AQ-6200 →Aquasana AQ-6300 →Aquasana AQ-6300M →Aquasana AQ-MF-1 →Brondell UC300 →Culligan IC-EZ-1 →Culligan IC-EZ-3 →Culligan IC-EZ-4 →Culligan RV-EZ-3 →Culligan RV-EZ-4 →Culligan US-EZ-1 →Culligan US-EZ-3 →Culligan US-EZ-4 →Frizzlife MK99 →Frizzlife MK99 NEW →Frizzlife MK99-Black →Frizzlife MP99 →Frizzlife MS99 →GE GNSV70R →GE GXK285JBL →GE GXK295JNN →GE GXSL55R →GE GXSV65R →Pentair Everpure H-300 →Pentair Everpure H-300-NXT →Waterdrop WD-10UA →Waterdrop WD-10UA-UF →Waterdrop WD-10UB →Waterdrop WD-10UB-B →Waterdrop WD-10UB-UF →
Under-sink filter guidance
Identify and evaluate a replacement filter
Use these practical guides to identify your system type, find its model number and understand when each cartridge may need replacement.
What to verify before buying
- The complete filtration-system model
- The part number on the installed cartridge
- Whether the system uses one cartridge or multiple stages
- The manufacturer’s current replacement interval