CRL 405DU Duranodic Bronze Anodized 4″ Metal 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.
SPECIFICATIONS:
Materials: Aluminum; Lucite; Perforated Aluminum Plate
Finishes: Satin Anodized or Duranodic Bronze
Instructions Included
Glass Fabrication: 4″ (102 mm); Requires a 3-1/2″ (89 mm) Diameter Hole

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