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Standard bio-filter medium Highly porous material made from sintered glass Excellent conditions for bacteria cultures
Eheim
Eheim Substrat Pro Bio Filter Medium, 5 Litre
Eheim Substrat Pro Bio Filter Medium, 250 ml
Eheim Substrat Pro Bio filter Medium, 1 L volume, 720 g
Eheim Substrat Pro 2 Litre Biological Filter Media
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