Polyurethane Foam Gun Without Cleaning,All Metal,Valve

True No-Clean System - Thanks to the integrated shut-off valve, simply turn the valve and push the excess foam to purge the barrel. No more chemical cleaners: an all-metal design and mechanical purge guarantee perfect cleanliness without solvents. Precise Dosing at Any Time - The integrated valve allows you to adjust the amount of expanding foam in real time, avoiding overdosing when caulking cavities or sealing joints. Effortless professional results. All-Metal Construction