Ziss Air Diffuser Ziss ZAD-15 is a self-sinking plastic air diffuser that produces bubbles to aerate aquarium water. Besides oxygenating the water, it makes the aquarium visually-stunning under illumination.
Material : PC + PP
Size : 12mm X 35mm
Color: black + several blue rings
Much more water moving with low back pressure
Very well working even at a low power air pump
Can be disassembled and be cleaned if they clog
We Recommend Under gravel Filter, Sponge Filter and Side Wall Water moving with sucker
Can also be used separately since the air stone sinks.