Marine Metal Bubble Donut Air Diffusers are great to aerate minnow buckets, live wells, aquariums, and coolers. Bubble Donut Air Diffusers are made of a tough, durable construction and weighted to stays on the bottom of your tank or bucket.
Marine Metal Bubble Donut Air Diffusers work with 12 volt, 110 volt, and D battery air pumps.
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