SPIROMATIC 90U is an entry level breathing apparatus (SCBA) for fire fighting excellent for industrial and maritime environments. Spiromatic 90U is built upon the proven and reliable Spiromatic facemaskbreathing valve and regulator delivering Interspiro performance at a competitive price.The facemask positive pressure eliminates inward leakage of gases vapours and liquids from the surrounding environment. Positive pressure is automatically activated by first inhalation and can never be forgotten or turned off by mistake.The high capacity regulator is equipped with a safety valve for maximum safety. The audible warning is placed on the chest the alarm will be heard even under noisy conditions. The harness is equipped with padded shoulder straps and easily adjusted hip belt buckles providing good comfort.The Spiromatic 90U can be delivered with a single 6 litre 300 bar steel cylinder. Other cylinders may be used.