Wooden Air Stones are produced from fine pores lime wood with very fine pores. They have low pressure resistance and create very even and fine bubbles. They are designed for use with protein skimmers. But they make exceptional general use airstones. To keep the skimmer running at its optimum performance level, the bubbles have to be monitored regularly, and it is recommended that the air stone is changed every 6-8 weeks. These airstones are ideal for any application where really fine bubbles are desired. The visual effect is outstanding
The air stones are delivered in 3 sizes: Mini - 50 mm, for the Miniflotor Midi - 65 mm, for the Midiflotor Maxi - 88 mm, for big skimmers
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