- Well-designed specifically for small and medium sized users;
- The operation is simple, convenient, and less prone to failure;
- Designed for filling the air available for breathing;
- Guarantee inflatable gas pure health, no the oil tasteless displacement, high-pressure air filling quickly;
- Practices can be achieved without power, and to facilitate the field work;
- Small size, light weight, easy to move quickly;
- Cost-effective, economical and practical.