AirLine's R360XL Hookah Dive System The Original direct-drive now in a powerful single-head, commercial compressor. Performance (in uncompromised numbers): 2 to depth of 85'; 3 to depth of 60 ft, 4 to 40 ft w/Addit package. Proprietary Thomas direct-drive compressor with commercial grade Honda engine. Dive without tanks, CGA-E air-breathing quality Multidirectional regulator swivel fitting to prevent jaw fatigue.