Salsbury Surface Mounted Enclosure for 4C Horizontal Mailbox Unit – Custom Color Starter Kit The reversible smoke + sear Kitchen Carts The reversible smoke + sear cast iron grates and FoldAway™ warming + smoking racks add up to a total of 1050 square inches of cooking space or for use as a wall mounted and freestanding unit A: It is designed for Salsbury 3700 Series front loading 4C standard and custom horizontal mailboxes sandstone) and custom color options Mount Type Surface mounted to wall Compatibility Designed for Salsbury 3700 Series front loading 4C standard and custom horizontal mailboxes Configuration Options Available in single column (1 door wide) and double column (2 doors wide) Use Indoor or outdoor Dimensions 32