Louver provides free passages of air and sufficient light. It provides protection against excessive daylight and glare inside buildings without in any way affecting ventilation to create maximum air flow in and out.
MODEL BF-SH-0115-2 BF-SH-0115-3 BF-SH-0115-4 Wiring Configuration 2-Wire 3-Wire with Remote Indicator Output 4-Wire with Relay Output Standard EN 54-5 /