28223-Colour Changing Activated Carbon Cartridge Replacement-Justrite Colour Changing Activated Carb

Replaces the Carbon Cartridge portion of the Aerosolv® two-piece coalescing filter/carbon cartridge in your Aerosolv® Standard or Super System. Colormetric replacement cartridges indicate exactly when to change the cartridge with no guesswork.
Recommended use:
Use as a replacement reminder for the carbon filter.