is a set of two high-quality foam pads of medium-pore size for effective biological filtering
. The pads provide optimum colonisation conditions for cleansing bacteria. The JBL UniBloc padshave a section which can be removed to be replaced with filter material to treat special problems. Package content: 2 foam pads, blue, 20 ppi suitable for the JBL external filters CristalProfi e700 and e900 and e401, e701, e901 and e402, e702, e902
- Cleaning approx. Every 6 months
- Replace after cleaning two or three times
- Only one of the two pads should ever be cleaned or replaced each time, alternately.
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