Intec PG2 Digital Controller, max. (96) Sensors, 1 Trunk, "A" EnclosurePOLYGARD2 TOXIC AND COMBUSTIBLE GAS MONITORING AND VENTILATION CONTROL SYSTEMS POLYGARD2 SOLUTIONS INCLUDE: Digital gas detection systems with up to 96 sensor inputs and flexible ventilation control outputs using DGC6 series controllers and DT6, DR6, DC6, SCM6 and EP6 sensor and or control devices Central and or distributed on off and variable speed control functions with single or multiple zones Up to eight trunks for optimum trunk wire routing