replacement cartridges
the cartridge, when you need it.
replacement cartridges appear here as real store products with real pricing and availability. replace the cartridge when the filter-life bar turns red, then reset the display after the swap.
how to swap a cartridge
01
open the filter body and remove the used cartridge
02
fit the matching coastflow replacement cartridge and make sure the silicone gasket is seated correctly
03
run filtered water, then press and hold the reset button for 5 seconds
order your next cartridge
buy a real replacement product when it is available. subscription options stay hidden until there is a genuine offer behind them.
questions about the replacement cartridge?