As an Amazon Associate, we earn from qualifying purchases. CRL ALUM-405A-VCP-1 Satin Anodized 4" Metal Cover Speak-Thru CRL-USALUM . ALUM-405A-VCP-1 Gallery Attributes Brand name, Manufacturer name, ManufacturerCRL-USALUM Attribute004" (102 mm) Attribute012-13/16" (71 mm) Attribute023-1/2" (89 mm) Attribute03, Attribute07Satin Anodized Attribute04Metal Cover Attribute05Aluminum Attribute061/2 Attribute083-1/2 Attribute094 AttributeKey00Overall Diameter AttributeKey01Opening Diameter AttributeKey02Hole Diameter Required AttributeKey03Finish AttributeKey04Type AttributeKey05Material AttributeKey06Glazing Thickness AttributeKey07Finish/Color AttributeKey08Required Hole Size (Inches) AttributeKey09Diameter Extra Product NameCRL ALUM-405A-VCP-1 Satin Anodized 4" Metal Cover Speak-Thru atoms, moq, multiple, tierMinQty11 MPN, SKUALUM-405A-VCP-1 qtyInStock-2 tierPrice1248.2 Distributor offers SellerSKUMOQIn stockMultiplePrices DK HardwareALUM-405A-VCP-11-211 @ $248.20