The Trent series gun uses a floating plunger action which takes the place of a plunging rod and uses air pressure to move the material down the barrel. The secure cord keeps the plunger from leaving the end of the barrel while in use. The instant dump valve allows you to instantly dump the remainder of your material out of the barrel when the job is finished. A built in silencer keeps the noise down when using this caulking gun. The quick release end cap ensures an easy clean up as well as allowing for quick nozzle changes. The barrel is made from a drawn aluminum. Incorporates a true adjustable air regulator that can handle a maximum of 100 PSI. Includes a rotating air hose connector and one orange cone nozzle.