[Silent production of small bubbles] This aquarium CO2 diffuser produces small and dense CO2 bubbles similar to the atomization effect, which greatly improves the water dissolution rate of CO2 in a great extent, not only helps to grow water plants, but can also reveal a fascinating landscape. .[ Easy to use] 1 Suction, CO2 diffuser can adhere firmly to the fish tank. It does not fall and durable, is great for home, office fish tanks, aquariums and akvaponic food tanks. .[ Easy to clean] Clean the stone once a month to prevent blockage to better use. To clean, just dip in the water, brush the surface gently, and allow to dry naturally. .[ High quality material] This CO2 diffuser set is made of high quality acrylic material that is strong, durable, corrosion resistant and not easy to damage. .[ Package Content] You will receive 1 CO2 diffuser and 1 suction cup, both of them are paired together to meet your usage needs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.