Ophir Adapter 1/8"bsp Female--1/4"bsp Male Air Hose To Badger Airbrush Adapter Airbrush Accessories_ac031 - Art Sets - AliExpress
1x Mini Airbrush Air Hose Adapter Connector 1/4 Bsp Female To 1/8 Bsp Male Spray Gun Air Hose Quick Coupler Adaptor - Power Tool Accessories - AliExpress
Amazon.com: 1.8m Airbrush Air Hose,Uouteo 1/8"-1/4" Airbrush Gun Adapter Fitting Coupling Suit for Air Brush Kit : Arts, Crafts & Sewing
1/8" Female BSP to 1/4" Male NPT, Connector Fitting Conversion Adapter for Airbrush Hose and Airbrushing Compressor (2PCS)