TYCO® Model ESFR-34 Pendent Sprinkler is an early suppression, fast response sprinkler that provides the tallest ceiling-only fire protection and narrowest aisle width currently available, according to Johnson Controls, making it suitable for warehouse and storage operations seeking design flexibility for increased storage. Helps protect storage arrangements of 50 feet with a ceiling height up to 55 feet and aisle widths as narrow as six feet.