Viking Corp. has released the Model H-3 Quick Response Flush Horizontal sidewall sprinkler. The H-3 can be installed 4" to 12" below flat, smooth ceilings and has a decorative escutcheon that leaves only the fusible link exposed. The H-3 is available in four escutcheon finishes, including polished chrome, bright brass, and white or Navajo white painted. The Viking Corp.