Four inch diameter aluminum anodized two-way electronic talk thru provides amplified clear voice communication. Standard model has gooseneck microphone for operator and plugs into 115 volt duplex outlet for continuous duty. Battery pack is available for D 
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Draft-free 11" diameter cast aluminum talk thru is meant for exterior installations. This model is a larger version of our No. 8-D. No. 11-D Talk Thru is adjustable for glazing from .25" to 1.875" thick. Optional spacer ring is requ 
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Clear Package Receiver is for interior use only. Clear acrylic housing is fastened together with special aluminum extrusions. Clear acrylic doors allow plain view of contents. Bottom is made of plastic laminated plywood and bullet resistant fiberglass. Un 
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Draft-free 8.375" 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 
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Five inch diameter cast stainless steel talk thru with vertical louvers provides natural voice transmission. No. 5-D Talk Thru is available for interior or exterior use (specify which) 
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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). 
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Five inch diameter stainless steel talk thru has offset slots in front and rear to provide natural voice transmission. No. 5-FR Talk Thru is available as interior or exterior model (specify which) and fits glass from .25" to 1.25" thick. 
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Exchange window with natural voice transmission has hinged panel which swings up for transfer of larger items. Stainless steel shelf with integral deal tray fits below window. This model for interior use only. Note: GLASS IS NOT AVAILABLE for Exchange Win 
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Six inch diameter stainless steel talk thru has offset holes in front and rear to provide natural voice transmission. No. 6-FR Talk Thru is available as interior or exterior model (specify which). It fits glass from .25" to 1.875" thick. 
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The Flip Window is designed to allow less entry of outside air into the building than normal sliding window. The window pivots for easy opening and closing. When open the front edge of window extends out only 8.5" from sill. Flip window mounts betwee 
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Bullet Resistant Teller Counter Model BRTC-SWTH is furnished with No. 1 Swivel-Thru* combination pass thru and deal tray. It has a natural voice transmission acrylic panel at deal area, with acrylic panels above risers set in aluminum frames. Teller count 
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