CRL D Bronze 4" Metal Cover Speak-Thru - 405DU
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 duranodic bronze finishes. Both 4 and 6 inch (102 and 152 millimeter) sizes are made to be glazed in 1/4 inch (6 millimeter) glass. The four inch (102 millimeter) model requires a 3-1/2 inch (89 millimeter) diameter hole. The six inch (152 millimeter) model requires a 5-1/2 inch (140 millimeter) diameter hole.
Official C.R. Laurence Product
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