Polycarbonate Cylinder*TM* for Pressure-Containers can be used for Fire Extinguishers, Aerosol Sprays for insect killers, Soap Foam Containers for Shaving, Hair Sprays or Topics and also for Spray(Aerosol) Types of Fire Extinguishers; Main Characteristics of Polycarbonate: a. Transparent/Nude/Visible/Clean b. Strong enough for +140C -60C c. Weather-resistant d. Impact-Resistant