Penn Plax Bwb2 Bubble-Wall Bendable Air Diffusers For Aquariums

The pliable porous and weighted Bubble Wall is the perfect choice for your aquarium. It’s made out of a porous and pliable tube which can bend and conform to any shape and still create an uninterrupted flow of bubbles. The Bubble Wall is weighted which allows it to stay in place at the bottom of your tank. This Penn Plax Bendable Bubble Wall is 23.5 inches long.