We have this pump running our sponge filter in our 30 gal tank. It's small and relatively quiet, only has 1 output and no adjustment. Its a good air pump for the price tag.
***The above link is an Amazon affiliate link, with your purchase using our link you help to support our store. You do not receive this item from us, you receive it through amazon. We are only recommending this item based on our personal usage.***
