The Marine Metal Bubble Donut Air Diffuser works in both fresh and saltwater. For minnow buckets, live wells, and coolers Works with 12V, 110V, and D-battery powered pumps. This 3″ around Airstone from Marine Metal Products is specially designed to aerate water and keep bait alive.
Marine Metal Bubble Donut Air Diffuser Features:
- This air donut serves as a replacement aerator accessory or as an upgrade to your existing air stones
- For bait buckets, bait coolers, or fish tanks and aquariums, this 3″ diffuser fits in both smaller or larger containers
- This weighted glass bead air donut will stay at the bottom of your tank or bait bucket and includes a suction cup to secure it
- This air bubbler accessory is ideal for both fresh and saltwater use
