carborundum空气中的石头

aquarium air stone (CO2 Plants) Product Name: aquarium air stones: Product Number:ASC-98051 Product Size: 30*120 Function: 1. air stone is essential for thehatcheryequipment .it gives the good circulation of the air in the tank. 2.air stones add life-giving oxygen to the water,while creating a beautiful, display of bubble. a.produces an even flow of fine pearlescent air bubbles b.minimal back pressure maximises the full capacity and lifetime of your air pump c.manufactured to high quality specifications for longer life. we can make diffirent size fou you to choose: 48*48*6; 45*47*6;45*47*6;43*43*6;30*120;30*60;20*120;40*27