Reverse osmosis replacement match
Express Water alkaline reverse-osmosis replacement supply set
Part FLTSETALK105Q for select Express Water filtration systems, including ROALK5D.
FLTSETALK105Q fit summaryThis set includes the alkaline-stage components for the ROALK5D configuration. Standard Express Water RO systems without an alkaline stage use a different set.
Buy NowCompatible systems in our guide
ROALK5D
Replacement guidance
Staged replacement set; follow the individual filter and membrane schedules. 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 →