
I purchased this Bubbling Alligator and it definitely met my expectations. It's very unique, well made and easy to install. Dimensions: 11.5" x 3.5" x 1.5". Here's all you need to do: Connect one end of the air hose to the air pump and the other end to the connector on the side of the alligator The alligator mouth will automatically open and close as bubbles collect in the upper jaw (I like to use either a clear or black air tube, which looks more natural in most aquariums.) You want the mouth to open and close additional advantage: bubbles also supply the water in the aquarium with additional oxygen.

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