CRL SST5 Brushed Stainless Steel 5" Speak-Thru

The CRL Stainless Steel Speak-Thru provides natural voice transmission. Offset slots in front and rear prevent tampering from the outside, and stop drafts to the interior. Speak-Thru has a brushed stainless finish, and comes in two sizes. Two sets of screws accommodate glazing from 1/4" to 1-1/4" (6 to 32 mm) thick.
SPECIFICATIONS:
Material: 11 Gauge Stainless Steel
Finish: Brushed Stainless Steel #4 Finish
Instructions Included
Glass Fabrication Required: See Instructions
Product Warning:
This speak thru now ships with two sets of screws, one suitable for 1/4" to 3/8" (6.4 to 9.5 mm) thicknesses, and another set good for up to 1-1/4" (32 mm) thicknesses that can be filed down to suit sizes in between.

.Stainless Steel Advisory: Although Stainless Steel is resistant to corrosion, it is not rust or stain proof. CRL recommends periodic maintenance to help maintain its factory finish. For more information, view the Stainless Steel Disclaimer found in the Technical References section below.