Product Description
Price is for Each.
Manufacturer Part Number: 549
Easy-to-Install Eliminates Drafts Theft-Proof Locking Device
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: Brass
Finishes: Chrome Plating
Instructions Included
Glass Fabrication Required: Recommended 3-1/2" (89 mm) Diameter Hole
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).
| Color: | Chrome |
| Minimum Hole Diameter: | 2-1/4" (57 mm) |
| Maximum Hole Diameter: | 4-1/4" (108 mm) |
| Shipping Weight: | 1 lb (454g) |
| Minimum Order: | 1 Each |
SPECIFICATIONS:
Material: Brass
Finishes: Chrome Plating
Instructions Included
Glass Fabrication Required: Recommended 3-1/2" (89 mm) Diameter Hole
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