With a super airlift system?? the filter has excellent effect on oxygenating in the water and working silently physical filtration combining with biochemical filtration. The multi-layers sponge filter supports the colonization of beneficial bacteria?? which will break down harmful waste?? and will give a clean living environment for your fish. Supplying the water with much more oxygen needed.

Features:

• Easy to use?? air pump operated
• Excellent effect of physical filtration and biochemical filtration
• Break down harmful waste quickly and eliminate odour
• Promote the metabolism and nitrifying bacteria breeding
• Two layer sponge and bio-stone included
• Suitable for view fishes and especially useful for breeding small fishes
• Size: Approx. 3.1 x 3.1 x 3.1 inch (Dia. x W x H)
• Material: Plastic housing?? sponge?? gravel

Note: Air pump is not included in this listing.

User Instructions:

• Before using sponge filter?? with a soak in aquarium water in 5 minutes?? which may be easy to form nitrifying bacteria colonies

Package Includes:

•  1 x Bio Sponge Filter