Professional Expanding Foam Spray Gun (1 Insulation Gun +1 Metal Extension Nozzle) PU Insulating Applicator Heavy Duty Metal Body Dispensing Foam Gun Suitable for Caulking, Filling, Sealing（Dark Gray

• EASY TO CLEAN AND REUSABLE: This foam insulation gun is easy to clean, thanks to it being coated both inside and outside with Teflon (PTFE). With the non-stick feature of the Teflon coating,Of course, you can also use a small amount of cleaning agent for cleaning
• PRECISE CONTROL: Featuring a copper nozzle, lock valve and spring trigger allows you to control the flow precisely. You can prevent overuse by adjusting the amount of insulating foam application according to your needs with the spring trigger and control knob.
• EXCELLENT PERFORMANCE & EFFICIENCY: This spray foam insulation gun is suitable for use in a wide range of areas such as roofs, facades, floors, interior and exterior walls, interior partitions, stud layers, balcony doors, bathtubs, air conditioning holes, ceilings and cellars, chimneys to fill gaps and cracks, sealing windows and doors. Great for filling, sealing and isolating small gaps.
• ADVANCED AND ERGONOMIC DESIGN: This spray foam dispensing gun is your best helper with its ergonomic design. You can close the barrel with the lock valve to completely discharge the residual insulation material in the spray foam applicator. The ergonomically designed handle and perfect nozzle length provides a comfortable use.
• COMPATIBLE FOR PROFESSIONAL USE: This foam caulking gun is designed to fit most 20-24 oz foam sealant canisters with a screw attachment. This professional insulation foam fun is equipped with a valve that seals the foam can to enable users to discharge residual sealant completely.

This spray gun had some nice features to adjust flow with the brass thumb screw at one the end. By firmly connecting them together with a metal tube, you can easily access the smaller openings you want to insulate and seal. Equipped with a cleaning brush, gently brush it after use, and you can continue to use it next time The trigger motion was smooth and the threads on the end allowed my cans of foam to attach and pierce correctly when threaded on and tightened.