Features The foam gun is made of aluminum alloy material, strong and durable, has a long service life. Corrosion and wear resistance, with small size, easy to carry and store, convenient to use and with good performance. This product is very suitable for home filling, sealing and isolating small gaps. The surface of the product is treated with black PTFE, not easy to stick and easy to use. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: Expanding Foam Gun Product Material: Aluminum alloy Features: With valve Surface Treatment: Black PTFE treatment, not easy to stick and easy to use Brass Head: Make the spray smoothly and not clogged. Barrel: The barrel is covered with PTFE, which is very easy to clean. Trigger: Press the trigger to spray foam. Valve: When in use, turn down to open the valve. After use, turn up to close. Inlet: The foam tank is connected to the inlet and fastened. Adjusting Screw: Turn the adjusting screw to adjust and control the spray speed of blowing agent. ABS Handle: Hold the handle when blowing foaming agent. Package List: 1 x Foam Spray Gun 1 x Long Tube 2 x Short Tube Note: When blowing foaming agent, turn on the switch on the foaming gun and pull the trigger. When you stop using it, remember to turn off the switch first, and then continue to pull the trigger for 4‑5 times to finish the remaining foaming agent in the barrel. So it won't stick when you use. Package List 1 x Foam Spray Gun 1 x Long Tube 2 x Short Tube