Express Water alkaline reverse-osmosis replacement supply set
FLTSETALK105QThis set includes the alkaline-stage components for the ROALK5D configuration. Standard Express Water RO systems without an alkaline stage use a different set.
Verified system-model match
Replacement filters for Express Water ROALK5D
1 verified replacement option for this reverse osmosis system.
Verified replacement option
Confirm before orderingUse the complete system model, then compare every replacement part number and stage.
Browse reverse osmosis filtersHow to confirm the match
- Confirm the system label says ROALK5D, including every suffix.
- Compare the installed cartridge or membrane part number.
- Check the stage count and membrane capacity where applicable.
- Follow the manufacturer’s replacement schedule for each stage.
Do not choose a replacement by cartridge appearance alone. Similar housings can use different connections, capacities, or stage combinations.
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