On the market for years and proven millions of times, the EHEIM classic range has become the basic model in the world of EHEIM external canister filters, yet still features perfect pump output, filter efficiency, maximum running smoothness, and endless continuous operation.
The EHEIM classic one-chamber design allows for the greatest flexibility in media set up for biological, mechanical, chemical and adsorptive filtration.
Reverse Osmosis Membrane Cartridge.
Carbon Block Water Filter reduces chlorine taste and odor.
10 micron filtration.
No release of carbon fines.
The resin replacement cartridges are easy to install and virtually hassle free. You can change the resin cartridges in less than 5 minutes. \
GAC Replacement for RO/DI unit