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Feature

Convenient, ready-to-use filter bags for use with your Cascade canister filter.
Contains Bio-Ring biological ceramic rings to remove ammonia & nitrites.
Filter media fully enclosed in a disposable nylon-mesh bag.

Description

Ready-to-use nylon filter bag filled with ceramic rings. Surface area and pores sized to accommodate bacteria necessary for biological balance and to remove toxic ammonia and nitrite. Helps produce crystal clear water.