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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. For additional information, contact CRL Technical Sales Department.

Official Name:	C.R. LAURENCE CO., INC.
Description:	C.R. Laurence (CRL) is a leading supplier to the glazing, architectural, construction, industrial, and automotive industries, supplying railing, windscreen, standoffs, and other supplies to major industries and manufacturers. C.R. Laurence operates a 270,000 sq. ft. ISO 9001 Certified manufacturing facility in Southern California, and distributes over 50,000 different products throughout the United States, Canada, and all other countries through a network of distribution facilities which are ISO9001 certified.
Support URL:	http://www.crlaurence.com/apps/questions/default.aspx?Type=2&Title=Online%20Support&Subject=Ask%20ASKUS%20a%20Question
Support Phone:	800-421-6144
Manufacturer's Website:	http://www.crlaurence.com/

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