Technology Screen Type Automatic Filtration degree 50-500 micron Flow rate up to 80 m³ /h (352 gpm) The Mini Sigma is a durable, corrosion-free polymeric self-cleaning screen filter, with Amiad's unique suction-scanning cleaning technology and is controlled by the new generaton, advanced ADI-P controller. Designed to handle low pressures, the Mini Sigma is also modular, offering various installation configurations. The Mini Sigma is the newest addition to the Sigma family of water filters for protecting irrigation systems. It is a small and lightweight yet durable filter, quick and easy to install, simple to operate, and requires minimal maintenance. The Mini Sigma requires low water and energy consumption with a compact design and small footprint. Available models: Mini Sigma 2" Angle, Mini Sigma 2" Online , Mini Sigma 3" Angle, Mini Sigma 3" Online, Mini Sigma 4" Angle, Mini Sigma 4" Online