EcoPlus® Pro Linear Air Pumps are commonly used to provide oxygen in aquariums, fish farms, hydroponic systmes and more. These air pumps are designed to minimize noise, heat and vibration in enviroments where aeration is needed. The heavy duty metal housings and internal components withstands years of quality airflow. This product requires minimal matience and is oil-less; no need for lubrication. Each Pump comes with a plastic air manifold. Can be used with EcoPlus® Trumpet Style Air Manifold. ETL listed.