Air Stone 7.9 Inch Column Diffuser for Fish Tank Aquarium Air Pump Size_Medium AMPHIBIOUS: Simply remove the front

AMPHIBIOUS: Simply remove the front net cover and install a water nozzle to the front to turn this pump amphibious

This intelligent cycle maintains optimal filtration efficiency while reducing manual maintenance

Small double-head bio-sponge filters provide both mechanical and biological filtration

8″ (W) x 5

Air Stone 7.9 Inch Column Diffuser for Fish Tank Aquarium Air Pump Size_Medium AMPHIBIOUS: Simply remove the frontMAIN PRODUCT FEATURES: HEALTHIER WATER: This air stone works to create bubbles that will help to oxygenate and filter your water. It will help circulate the water in your tank and create a healthier environment for your aquariums fish and plants. PERFECTLY SIZED BUBBLES: These air stones are made from a quality carborundum material that promotes high density, uniform, more delicate bubbles. These beneficial bubbles are perfect for any aquarium