The JBL CombiBloc II Replacement Foam pack is made up of 2 x Pre-Filter sponges and 1 x Fine-Filter Sponge for use in the the CristalProfi e range of external filters. The Replacement Sponges are accurately laser cut for a perfect fit into the JBL CristalProfi e Filters. The large-pored pre-filter pad has a large surface area and serves as mechanical filtration for the upper part of the combi filter basket II. Thanks to the T-profile cut it reliably catches large dirt particles at optimum flow capacity. This way the biological filter materials underneath are protected against unnecessary soiling. The fine-pored pad sits in the lower part of the combi filter basket and catches any dirt particles which could potentially damage the pump, whilst also providing extra biological filtration. Genuine JBL filter media Pre-Filter Sponges and Filter Foam for the upper basket of JBL CristalProfi e 402/702/902/1502/1902 Accurate laser cut means excellent fit in the JBL CristalProfi e external filters Neutral in fresh and saltwater, no release of harmful substances Package contents: 3 filter inserts: 2x filter foam coarse 15 ppi, 1 x filter foam fine 35 ppi
