Sandstone Airstone - 6 in.
Item # 196775 / Manufacturer Part # 205
The Blu-Mist Air Stone produces extra fine air bubbles and uses very little air pressure to run effectively.
Blu-Mist Air Stones fit standard 3/16 in. Airline Tubing.
For more information on aquarium aeration, please see our article on Air Pumps.
air stone 4/21/2014
Works Great brought 2. the only problem is that it produces really big bubbles. the fish love an it looks neat in the tank
air stones 2/28/2013
work as they should