CRL 410DU Duranodic Bronze Anodized 4″ Lucite Cover Speak-Thru

CRL Covered Speak-Thrus are available with two styles of covers; all metal, or metal outer ring with lucite vision port. Both styles are screened to provide an insect-free environment. These heavy-duty units are available in satin anodized or bronze anodized finishes. Both 4″ and 6″ (102 and 152 mm) sizes are made to be glazed in 1/4″ (6 mm) glass.
NOTE: Optional thickness adapter rings are available for 4″ (102 mm) speak-thru only. Use. Cat. No. TAR12 for 1/2″ (12 mm) glass and Cat. No. TAR134 for 1-3/4″ (44 mm) doors.
SPECIFICATIONS:
Materials: Aluminum; Lucite; Perforated Aluminum Plate
Finishes: Satin Anodized or Duranodic Bronze
Instructions Included
Glass Fabrication: 4″ (102 mm) Models Require a 3-1/2″ (89 mm) Diameter Hole

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