This is a low toxicity, reinforced breathing air hose with a solvent resistant outer layer. The hose is fitted with CEJN 342 quick disconnect single stage coupling and plug connections. This is a common connection size used by DeVilbiss (QD), 3M, IWATA, Joucomatic as the connection to their air fed mask systems.
Please note that this hose is not anti-static and therefore should not be used in ATEX class 2 or more hazardous locations
