Durable rubber air hose in braded fiber “housing.” Swivel connection for air brush at one end and varying air source connector fitting at opposite end. Available in 10ft. (3.05m) length #50-2011, 6ft. (1.83m) length w/in-line moisture trap (50-2014) #50-2022, 10ft. (3.05m) length w/in-line moisture trap (50-2014) #50-2025, 8ft. (2.44m) length w/airbrush quick connect fitting #50-2018, 10ft. (3.05m) length with ¼” female fitting at both ends (for Model 400 only) #50-3011.