<p>Expertly designed for maritime and industrial environments, our entry level Spiromatic 90U is the ideal breathing apparatus for fire-fighting. Delivering both Interspiro performance and competitive pricing, this unit is built upon the proven and reliable S-Mask/ breathing valve and plug-in regulator.</p> <p>The mask’s positive pressure eliminates inward leakage of gases, vapours and liquids from the surrounding environment and is equipped with an optional ambient air hatch, allowing users to switch to ambient air whilst in stand-by.</p> <p>For maximum safety, the high capacity regulator is equipped with a safety valve. In addition to this, an audible warning is placed on the chest; the alarm will be heard even under the noisiest of conditions. Equipped with padded shoulder straps and easily adjusted hip belt buckles, the harness provides good comfort for all users.</p> <p>FEATURES</p> <ul> <li>Open back plate for good ventilation and low weight</li> <li>Easy to handle and adjustable cylinder strap</li> <li>Carrying handle integrated in backplate</li> <li>Well-proven pneumatics and robust design</li> <li>First breath activation of positive pressure or ambient air hatch for standby use</li> <li>Excellent breathing performance</li> <li>Breathing valve is activated from inner mask</li> <li>Mask and breathing valve in a compact design</li> <li>Audible alarm placed on chest</li> <li>Available with extra air connection</li> </ul>