Applications Pneumatic gun for 330, 345 and 350ml two-component cartridges with 10:1 ratio Characteristics 330, 345 and 350ml cartridge with 10:1 ratio Properties CBA 330B is a PC COX SULZER pneumatic gun. CBA 330B is a pneumatic applicator for 330, 345 and 350ml cartridges. CBA330B is ergonomic, very robust and easy to use. Other pneumatic guns from PC COX SULZER are available for products requiring different mixing ratios.