Fire Protection Products, Inc. Spare Sprinkler Head Cabinets are designed to allow for spare sprinkler head storage as required by NFPA guidelines. The Spare Sprinkler Head Cabinets are available in six configurations. Three head, six head, six head ESFR, twelve head, twenty-four head, and thirty-six head. All six styles are manufactured with “knockouts” to accommodate the most common size sprinklers. The shelf is positioned to allow for the storage of a typical sprinkler head wrench. Each cabinet is finished in red enamel. Each spare head cabinet comes with a hinged door which remains closed to protect the spare sprinklers from the elements and features holes on the back panel to allow for attachment to most surfaces utilizing the appropriate fasteners. Not intended for exposed or harsh environments.