CRL 549 Chrome Plated Brass 5-5/16" No-Draft Speak-Thru

Item #: 549 by CR Laurence

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Easy-to-Install
Eliminates Drafts
Theft-Proof Locking Device

Minimum Hole Diameter

2-1/4" (57 mm)

Maximum Hole Diameter

4-1/4" (108 mm)

Finish

Polished Chrome

Material

Aluminum

Glazing Thickness

1/4 To 1/2

Finish/Color

Polished Chrome

Required Hole Size (Inches)

3-1/2

Diameter

5-5/16

Required Hole Size

3-1/2 in. (88.9 mm)

CRL Chrome Plated Brass 5-5/16" No-Draft Speak-Thru is specially designed to provide audible and secure voice transmission. It has chrome plated brass finished and tamper resistant. It prevents tampering from the outside, and stop drafts to the interior. CRL Chrome Plated Brass 5-5/16" No-Draft Speak-Thru is used for voice request in ticket windows, box offices and more. Our customer tells us that this theft-proof locking device offers high quality of security and communication with its stylish design. Each unit is individually boxed with gaskets and mounting screws for installation on glass from 1/4" (6 mm) to 1/2" (12 mm) thick. For glass up to 3-3/4" (95 mm) thick you can use the optional Cat. No. 8324 4" (102 mm) screws. No-Draft Speak-Thrus require a minimum hole diameter of 2-1/4" (57 mm), and will cover holes up to 4-1/4" (108 mm). Recommended hole diameter is 3-1/2" (89 mm). Specifications: Material: 834-Aluminum; 549-Brass Finishes: 834-Brite Anodized, Brite Gold Anodized, Duranodic Bronze, Satin Anodized; 549-Chrome Plating Instructions Included Glass Fabrication Required: Recommended 3-1/2" (89 mm) Diameter Hole DS 06/25/2016

From Manufacturer

Our CRL No-Draft Speak-Thrus are designed to allow audible transmission of voice requests at ticket windows, box offices, and more. They prevent tampering from the outside, and stop drafts to the interior. The 549 Series is made of brass, the 834 Series is made of aluminum. Each unit is individually boxed with gaskets and mounting screws for installation on glass from 1/4" (6 mm) to 1/2" (12 mm) thick. For glass up to 3-3/4" (95 mm) thick you can use the optional Cat. No. 8324 4" (102 mm) screws. No-Draft Speak-Thrus require a minimum hole diameter of 2-1/4" (57 mm), and will cover holes up to 4-1/4" (108 mm). Recommended hole diameter is 3-1/2" (89 mm).
SPECIFICATIONS:
Material: 834-Aluminum; 549-Brass
Finishes: 834-Brite Anodized, Brite Gold Anodized, Duranodic Bronze, Satin Anodized; 549-Chrome Plating
Instructions Included
Glass Fabrication Required: Recommended 3-1/2" (89 mm) Diameter Hole