Get this Great Stuff Pro GREAT STUFF PRO Pro 14 Insulating Spray Foam Dispensing Gun delivered onsite. Lightweight, high-strength aluminum body with a metal trigger. Has a flow-control mechanism that dispenses beads from 1/8 in. – 3 in., exactly where it’s needed. Provides greater precision and access to hard-to-reach areas. Non-stick coated can adapter and needle. Large flow control knob with secured back-screw system. Replaceable smooth dispensing nozzle. Works with all GREAT STUFF PRO cans of foam. Prevents dripping. Creates and air- and moisture- tight seal between the gun and the can. Includes plastic tapered tips.