The enclosures are constructed of cast aluminum and are made for years of outdoor service.The heavy aluminum doors are labeled "Telephone" and have a gasket seal to keep out even the harshest weather. The VE-9x20 allow multiple Viking products to be installed. Both the VE-9x12 and VE-9x20 are available in two high visibility colors: safety yellow or emergency red. An optional lock (VE-PBL) is also available for applications where security is a concern. Features: Heavy cast aluminum construction Gasket sealed door Drip guard 3/4" NPT conduit openings Hardware Included: Mounting holes for a standard RJ11 wall plate Universal mounting adapter for different products