![3](http://keystonehatcheries.com/cdn/shop/products/AS337-2_530x.jpg?v=1485541739)
3" Air Stone w/ 3/8" Barb
Product Code: AS337
Regular price
$18.50
Sale
![](http://keystonehatcheries.com/cdn/shop/t/5/assets/Icon_FreeShipping_Small.gif?v=56314300796660215501506362072)
This high quality, fine bubble diffuser is constructed of an Alumina product, which is 3 times stronger than glass-bonded silca air stones. It has a 3/8" Barb adapter and a recommended airflow of 0.30 CFM.