3 Review(s)

You must have an Air Pump to connect it, AIR PUMP NOT INCLUDED. Direction For Use :- 1) connect the air stone with air tube. 2) soak in the water for 15 minutes before use. 3) Its durable and be used for a long time.When it is clogged with dirt or producing bubbles with low quantity ,please wash it for re-used. Design : Round; material : stone. Round diameter: 2.5 inch; air tube port outer dia : 4-5mm. Dimensions : 2.5 inch color : multicolor. Weight : 200g; package : 2 pcs air stone Fit for freshwater, saltwater aquarium and hypnic use. Widely used to increase the dissolved oxygen level in the aquarium.