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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: Aluminum
Finishes: Satin Anodized, Brite Anodized, Brite Gold Anodized and Duranodic Bronze
Instructions Included
Glass Fabrication Required: Recommended 3-1/2" (89 mm) Diameter Hole
Screws Included: 1 each 8-32 x 1/2", and 1 each 8-32 x 3/8"
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CRL 834DU Duranodic Bronze Aluminum 5-5/16" No-Draft Speak-Thru
Item #: 834DU by CR Laurence
22 reviews
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Features
- 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
Black Bronze Anodized
Material
Aluminum
Diameter
5-5/16
Glazing Thickness
1/4 To 1/2
Finish/Color
Black Bronze Anodized
Required Hole Size (Inches)
3-1/2
Required Hole Size
3-1/2 in. (88.9 mm)
Product Overview
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: Aluminum
Finishes: Satin Anodized, Brite Anodized, Brite Gold Anodized and Duranodic Bronze
Instructions Included
Glass Fabrication Required: Recommended 3-1/2" (89 mm) Diameter Hole
Screws Included: 1 each 8-32 x 1/2", and 1 each 8-32 x 3/8"
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