The Sander Wooden Air Stone (Size 2) is a wooden air stone (lime wood) with high oxygenation due to the very fine air bubbles it produces, for freshwater and saltwater aquariums. It is also suitable for ozone diffusion.

Dimensions (size 2): 54x19x19 mm

• size 1 - 35x19x19 mm
• size 2 - 54x19x19 mm
• size 3 - 96x19x24 mm
• size 4 - 88x30x30 mm

Manufactured in Germany.