Features:
1: Do not suck fish and shrimp, purify water, increase oxygen in small fish tanks; the suction cup is fixed and can be connected to a 4mm trachea
2: Purify water source, three-layer filter water purification: the first layer, biochemical filter cotton. The second layer, air stone filter. The third layer, the air outlet of the funnel; (this filter must be used in connection with the aeration pump)

Description:
Name: Aquarium Filter

Color as shown
material: plastic
Size: 5.5 x 11cm
Applicable: Ornamental fish breeding, breeding, juvenile fish breeding, especially suitable for small fish and fry
100% brand new high-quality fish tank filter mini water goblin, the airflow of the oxygenation pump comes out from the small hole at the bottom of the water goblin, because the pipe of the water goblin is relatively slender, and the air bubbles swarm upward in the pipe, which creates a negative impact on the water in the pipe The thrust makes the water flow circulate. The entrance of the water flow is in the middle of the biochemical filter cotton. After the water flow passes through the biochemical filter cotton, there is a preliminary physical filtration effect. The feed and paper scraps in the fish tank are all retained by the biochemical filter cotton, and then there is raw nitrification on the biochemical filter cotton. Microorganisms such as will further decompose the filtered dirt

Packing list:
1 x Aquarium Filter
Note:

Different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.