JBL ProSilent Aeras Micro Ball L

"Airstone
• New: From extra-fine quartz sand mixture for particularly fine air bubbles (thus the name „Micro“)
• Ball aerating stone with 40mm diameter.
• In aquarium the weight of the air stone keeps it on ground without extra weighing.
• Especially suitable as aerating stone for garden ponds (see JBL Pond Oxi-Set and JBL Floater + AntiKink).
• Suitable for fresh- and saltwater and garden pond
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