MSA G1 ExtendAire II Airline Adapters Usage type:Foster Brass PART# 10188842 The Dräger X am 2500 is The Dräger X am 2500 is comfortably worn thanks to its low weight and ergonomic design and gas can enter the unit from above and from the front—even if the instrument is inside a pocket or if the front gas entry is accidentally covered Black Part# 10067491 The all new MSA G1 ExtendAire II System is an Emergency Breathing Supply System (EBSS) accessory that uses intermediate pressure air to provide firefighters with emergency breathing air Features an integrated rescue hose and manifold assembly that uses both male and female quick connect fittings