The FloraFlex Matrix Circulator 3" (12/PK) is an innovative system designed to be used in hydroponic gardening to evenly circulate water and nutrients in the root zone. The Matrix Circulator is an advanced aeration system that works with the FloraFlex Flood & Drain Manifolds to provide oxygen to the root zone and lower the risk of disease or root rot. It is a 3" circulator with 12 in a pack and is perfect for use in both flood and drain and ebb and flow systems. The Circulator is designed to be used in conjunction with FloraFlex Manifolds to ensure optimal water and nutrient delivery. It is easy to install and use and can be connected to either a timer or a controller for automatic operation. The Circulator helps ensure that your plants get the perfect environment for growth, promoting healthier plants and bigger yields.