FISH TANK BUBBLER - The lovely Aquarium Decoration make your aquarium looks vividly and creates aboundant oxygen to your tank. Its excellent air bubbler for your aquarium and fish tank..ENVIRONMENTALLY FRIENDLY-Made of high quality environmental protection resin,non-toxic and safe. We make sure it wont bring any side-effect to your tank. All the product was carefully check before its packaged..LONG LIFE--- Made from PVC, not easy to damage, gray color is not easy to dirty, you can collect it forever, if you accidentally broke it, no worries, a little glue can make it immediately restored,the irregular design hide glue traces well.UPGRADED FISH TANK ACCESSORIES - Updated version contain 1 groot bubbler, 10 feet pipe and, 2 suction cups, 1 check valve, 1 T-connector and 1 air control valve.Crafted with great attention to detail，Resin material is stable so it can stand steadily. No special maintenance requirements and is easy to clean..SIZE-- Groot Height about 10cm( 3.9 inch), Max.diameter of pot mouth is 4cm ( 1.57inch)Attention: If you find out the deco cannot sit straight in the water, most of time because it contains some air with it. Put it under water for about 15 mins, let the air come out and absorb some water into it. Try again.