• Spare sponges for external filter for aquariums Bluextreme
• Perfect for fresh and marine water aquariums
• Package with two mechanical sponges with different porosity
• Two sizes available

The mechanical sponges Blumec for fresh and marine water are available in two sizes suitable for the external filter for aquariums Bluextreme. The pachage contains one synthetic fine sponge and one synthetic coarse sponge.