Marine Metal Bubble Donut
|The Marine Metal Bubble Donut is a weighted glass bead Diffuser for use with portable aerators. Tough and durable disk attaches easily to a standard silicone air line and stays on the bottom, ensuring even dispersal of dissolved oxygen.
Comes in 3" and 5" weighted glass bead diffuser.|
Requires a 1 hour pre-soak in water before the first use.
For use with portable aerators
Attaches to standard silicone air line
Ensures even dispersal of dissolved oxygen
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