Features The foam gun is made of aluminium alloy, is strong and durable and has a long service life. This product is very suitable for filling, sealing and insulating small gaps at home. The surface of the product is treated with black PTFE, not easy to stick and is easy to use. Corrosion and wear resistance, small size, easy to carry and store, convenient to use and with good performance. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type:Expanding Foam Gun Product material: aluminium alloy. Features: with valve. Surface treatment: black PTFE treatment, not easy to stick and easy to use Brass head: ensure the spray is uniform and not clogged. Barrel: The barrel is coated with PTFE, which is very easy to clean. Trigger: press the trigger to spray foam. Valve: Turn down when used to open the valve. Turn up to seal after use. Inlet: The foam tank is connected to the inlet and attached. Adjustment screw: turn the adjustment screw to adjust and control the spray speed of the propellant. ABS Handle: Hold the handle firmly when blowing out foam agent. Package list: 1 x foam spray gun. 1 x long tube. 2 x short tubes. Note: When blowing out foam agent, turn on the switch on the foam gun and press the trigger. When you stop using it, remember to turn off the switch first and then continue to press the trigger four to five times to consume the remaining foaming agent in the run. So it won't get stuck when you use it. Package List 1 x Foam Spray Gun 1 x Long Tube 2 x Short Tube