One piece construction of solid brass.
Available in different lengths to avoid the need for multiple extensions on one fire sprinkler head.
Available Lengths: 1/2 inch (12.7 mm), 3/4 inch (19.05 mm), 1 inch (25.4 mm)
Use: Extends a fire sprinkler head downward when a drop nipple has been cut too short or to adjust for a change in drop ceiling position.
Learn more about fire sprinkler extensions in our blog - Brass Sprinkler Extensions: Essential Information