Wooden airstones are produced from lime wood with very finepores. To keep the skimmer running at its optimum performance level, the bubbles have to be monitored regularly, and it is recommended that they are changed every 6 – 8 weeks.
2 pcs., app. 18 x 18 x 78 mm (l x w x h)
|Dimensions||132 × 48 × 228 mm|