High Pressure Polyurethane Foam Insulation Pu Spray Gun For Roof ,Effortless cleaning

1. The pipe joint Angle, reduce the gun load, make operation easy. 2. Gas valve can prevent trigger is stuck. 3. Gas auxiliary spring can quickly cut into the mixing head of raw materials. 4. Jet linear continuous and smooth, no field control. 5. Pneumatic wrench can reduce the labor intensity of operators.