- Comfortable - Silicone mask conforms to worker's face, with cradle headband that creates an even seal - Can be worn under faceshields and many welding helmets - Compatible with Bullard Free-Air pumps - Low air pressure - More protection than negative pressure respirators - A comfortable positive pressure airline respirator, Bullard's FAMB presents a simple means of supplying clean air to workers. Available with both pressure demand and continuous flow approvals, FAMB provides a continuous airflow to workers operating in environments that are contaminated with dusts, mists, gases and vapors. Not available in Europe.