Aqua Medic Wooden Airstones Midi for air driven protein skimmers our Wooden Airstones are produced from lime wood with very fine pores. To keep the skimmer running at its optimum performance level, the bubbles have to be monitored regularly. We recommended that they are changed every 6 – 8 weeks. Available in quantity of 2.
The Wooden Airstones Midi can be used on the Midiflotor Protein Skimmer
Note: Replaces 410.56 Wooden Airstones, (package of 25 pieces)