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Glass Thickness: 4mm
Magnetic support plus extra rubber pad included to avoid vibration
The new generation of water analysis: download ProScan app free of charge
Ammonia is excreted by the fish as a waste product
JBL Direct Membrane Glass Thickness: 4mmProduct Description Membrane ensures the finest atomization of the CO2 in the JBL diffuser ProFlora Direct Switch off filter; screw on diffuser, replace diaphragm and screw diffuser together again Finest atomization of the CO2 in the diffuser, high quality material A yearly replacement of the diaphragm is recommended Package contents: replacement diaphragm for ProFlora Direct, Proflora Direct Membrane 12 16, 16 22, 19 25, incl. 2 seal rings.