The 7949 is a Pneumatic Control Box auxiliary blow-open with an electric strike relay for use with or without 7901ES/7902ES Series Control Box and one or two pnuematic Auto Equalizers. Controlled by the smoke evacuation system, the 7949 Series Control Box will open the door to allow fresh
7949ES LCN Control Boxes
Pneumatic Control Box with Auxiliary Blow-Open and Electric Strike Relay
$2,302.30