NO. 8-D TALK THRUDraft free 8 3/8" diameter cast aluminum talk thru is well suited for exposed application. Natural voice transmission is obtained through the tensed clear plastic diaphragm while eliminating air flow. Perforated clear security screen on customer side protects the diaphragm. Talk thru has bullet resistive shield on rear side.
Unit is adjustable for glazing from 1/4" to 1 7/8" thick. Optional spacer ring is required for glass less than 1 3/16" thick.
Denote glass thickness of window when ordering. Specify finish: clear or dark bronze anodize.
Requires 7 1/2" diameter hole.
x
NO. 11-D TALK THRUDraft free 11 " diameter cast aluminum talk thru is meant for exterior installations.
This model is larger version of our Model No. 8-D.
11-D Talk Thru is adjustable for glazing from 1/4" to 1 7/8" thick. It requires optional spacer ring for glass less than 1 3/16" thick.
Indicate window glass thickness when ordering talk thru. Specify finish: clear or dark bronze anodize.
Requires 10" diameter hole.