Electronic Talk Thru Speak Hole
Round 6˝ diameter cast stainless steel talk thru design offers natural voice transmission with evenly spaced louvers.
This unit is available as interior or exterior model (specify which). No. 6-D Talk Thru is adjustable for .25˝ to 1.875˝ thick glass. Glass thickness less than 1.1875˝ requires optional spacer ring. Indicate glass thickness when ordering.
Hole size: 5˝ diameter
Construction: Cast stainless steel
Level III bullet resistant