CARBORUNDUM CYLINDER AIR STONE 150MM ^Sale

Made by carborundum sintered at high temperature 1500℃.
\n
\nThe low flat design of the air stones provides them with a large surface area with which to produce lots of bubbles and aeration for your aquarium.
\n
\nSize: 50mm in diameter, 150mm long and has a dual sized inlet that fits both 4mm and 8mm air hose.