CRL N666 Brushed Stainless Steel 6″ Round Level 3 Bullet Resistant Speak-Thru

This 6″ (152 mm) diameter CRL Speak-Thru is designed for use with bullet resistant glass, acrylic or polycarbonate. Made of heavy stainless steel, the concentric circular louvers are spaced to deflect projectiles entering the cavity between the interior and exterior surfaces. Accommodates glazing thicknesses from 1-3/16″ to 1-7/8″ (30 to 48 mm). Optional Spacer Rings available for use with glazing materials less than 1-3/16″ (30 mm) thick. .
SPECIFICATIONS:
Material: Stainless Steel
Finish: Brushed Stainless Steel
Bullet Resistance: Level 3
Instructions Included
Glass Fabrication Required: 5″ (127 mm) Diameter Hole