【Collapsible Air Bubble Bar】The wall curtain tube pipe is a porous pipe with good smoothness, and any required shapes can be made. 【Uniform air bubble】Air bubbles are uniforms and the dissolved oxygen in the water is increased, as beautiful as a water curtain. 【Application】Match with an oxygen pump to oxygenate the aquarium, help improve water circulation and oxygenation in hydroponic systems. 【Easy to clean】Not easy to be blocked, easy to clean, effectively saving your time and effort. 【Quality Guarantee】Customer satisfaction is very important to us, if you have any dissatisfaction on the quality of the goods, please contact us, we are ready to send you new goods or full refund.