Juwel BioPlus Coarse Sponge Filter Media for BioFlow Filters. First step in the biological filtration, allowing vital micro-organisms to colonize and clean the water. Should be changed every 3 months. Contains 1 sponge

Sizes Available:

• M (Compact) 9,5 x 9,5 x 4,5 cm; for BioFlow 3.0 Filters (Rio 125,180,240, Vision 180, Trigon 190, Lido 120 Aquariums)
• L 12,5 x 12,5 x 5 cm; for BioFlow 6.0 Filters (Rio 300, Vision 260 Aquariums)
• XL 15 x 15 x 5 cm; for BioFlow 8.0 Filters (Rio 400, Vision 450, Trigon 350 Aquariums)