Eheim Canister O Ring 2213 fx5 The BioMaster filters are designed

The BioMaster filters are designed with sealed filtration pathways to ensure water flow is getting the full benefits of prefiltration

Dried Earthworms

Whole Kelp

Crude Fiber (not more than)     5

The Eheim Prefilter includes two filter basket modules within it

Eheim Canister O Ring 2213 fx5 The BioMaster filters are designedSealing Ring for 2213 Main Rubber Seal Ring, prevents leaks by making a water tight seal in between the main motor head, and the filter body. Monitor the condition of the main seal ring every time you do filter maintenance and be sure to pro actively replace it, to prevent potential flooding. Eheim Part #7273118