With its reliable performance and durable design, you can be sure that it will provide you with years of trouble-free service. Featuring a brand name of Blue Diamond Pumps and a model number of BLUE DIAMOND ET30, this pump is perfect for pumping air through water. It falls under the category of home improvement, plumbing and fixtures, and pumps and water filtration systems. So, if you're looking for a high-quality, dependable pump, then this Blue Diamond ET30 is the perfect choice for you.