This adapter connects an airbrush with 1/8 BSP fitting, such as all Iwata airbrushes, to an Aztec hose.
Iwata Airhose - Paasche Airbrush Adaptor E-AD-PAA
Iwata Airhose - Badger Airbrush Adaptor
E-QDP-1/8 Iwata QuickFit Quick Disconnect Airbrush Adaptor 1/8 BSP
Iwata QuickFit Quick Disconnect Hose Airbrush Adaptor (1/8 BSP) E-QD1
2oz (60ml) Iwata Airbrush Bottle Side Feed Adaptor Cap IWB-4702S
Badger / Iwata Airline Adaptor # 36-010