【Superior Material】It is made of high-quality plastic and high-quality sand and fired at high temperature. It is not easy to block, is durable and can transport oxygen more efficiently.

【Function】Rising air bubbles improve ventilation and water flow in the aquarium. Can be used for decorative and functional bubbles.

【Long Service Life】The material is sturdy and durable, does not pollute the water quality, can be reused and cleaned for a long time, and provides good continuous ventilation for your tropical aquarium.

【Excellent Performance】It must be used with an air pump and a trachea. Good performance (excluding air pump and trachea) is an important tool for successfully maintaining the breathing process of aquatic fish.

【Wide Range of Applications】The package contains 4 pieces and the length is about 20 cm and 25 cm. It is very suitable for your aquarium or fish tank, and also the best partner for air pump.