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it enhances biological filtration by efficiently breaking down harmful substances
Available in multiple capacities to suit different pond sizes
Transform your aquarium environment with Juwel Aquascape/Stone Posters
Colour options: Grey
This Square Cut Filter Grid
Medium Foam Media for Oase Biotec 5.1/10.1/30.1 400L it enhances biological filtration byReplacement medium foam media for the Biotec 5. 1, 10. 1 or 30. 1. Please note: these are unsuitable for the Biotec 5, 10 or 30. Each sponge is approx. 25cm x 20cm x 8cm. Please also note that these are not official Oase Biotec foams but our own alternative at a much cheaper price. The foam colours may change due to availability, however the high quality remains the same. Please check your manual to make sure you purchase the correct size.