air stones HL-AS07
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Detailed content:HL-AS07 ROUND ø22mm
HL-AS08 ROUND ø25mm
HL-AS09 ROUND ø30mm
ROUND ø50mm
Discription:
(1) Durable airstone diffuses water in every direction, creating dazzling underwater scenes
(2) Increases surface agitation, accelerates oxygen replenishment
(3) Helps release carbon dioxide build-up
(4) Larger models create a wall of decorative bubbles
(5) Fits standard airline tubing