Product Overview

Square Bullet Resistant Speak-Thrus are available in 5" (127 mm) and 7" (178 mm) sizes with Level 2 (.357 Magnum) and Level 3 (.44 Magnum) protection ratings. These Speak-Thrus are designed with an air space between the glass and the unit to ensure clear voice transmission. The glass is firmly secured to the front and back plates with spacing washers. Crafted from heavy stainless steel, these units can accommodate 3/4" (19 mm) through 2" (51 mm) bullet-resistant glass, acrylic, or polycarbonate.

Key Features:

• Offers two Levels of Bullet Resistance: Level 2 and Level 3
• Allows natural voice transmission with the air space design 
• Boasts a polished stainless steel finish

It's important to note that barrel washers to cover screws are included and should be trimmed to prevent over-tightening on the glass.

Specifications:

• Material: 11 Gauge Stainless Steel
• Finish: Polished Stainless Steel 
• Bullet Resistance: Level 3 
• Instructions Included 
• Glass Fabrication Required: A 5" (127 mm) Model Requires a 4" (102 mm) Diameter Hole