Good quality and perfect for my needs (very small bubbles).
I wish it would be a little larger.
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Michael on20 Фев 2016, 7:54 AM
Great product for air powered protein skimmer
These airstones work well in all of my protein skimmers - 4 types of skimmer. They also seem to have a lower back pressure compered to others such as the RedSea branded wood air stones.
I wish it would be a little larger.