CEJN Breathing Air couplings have a high-flow rate, a broad connection range and require only minimal force to connect. With the vital function of supplying breathing air, the need for safety and reliability is of the utmost importance. CEJN's products are designed and manufactured to exacting standards, which has resulted in years of trouble-free service. Presented here are CEJN’s couplings and nipples, hoses, hose kits and accessories for breathing air applications.