Salsbury Recessed Mounted 4C Horizontal Mailbox with Master Commercial Locks, Double Column, Custom Color, Front Loading Gym Floor Tiles Upgrade to this energy efficient option Item Weight:17.637 Upgrade to this energy efficient option and save over 80% on energy costs compared to traditional bulbs Elevate your space with MosaiCore Midnight—order a carton today for waterproof custom colors available Door Sizes MB1: 3 1 4 in H x 12 3 4 in W includes two keys per master lock Included Trim Factory installed 1 in W x 1 4 in D trim and solid rear cover Connector Kit Includes 4C horizontal mailbox connector kit ADA ADA height compliant units available Applications Colleges