Airbrush Quick Release Coupling Disconnect Adapter Kit, 5 Pieces 1/8 Inch Female Connectors and Male Adapters Adjustment Control Valve Airbrush Accessories for Air Compressor and Airbrush Hose https://www.amazon.com/dp/B08X4K664K/ref=cm_sw_r_apan_i_FZX52Y533DPVEH16WHZJ

Badger Air-Brush Co. 51-038 Quick Disconnect Plug https://www.amazon.com/dp/B000BPOJCO/ref=cm_sw_r_apan_i_Q8V4B6DEGY4MJA7ADE2E

The female coupler is a cheapo and will wear out eventually. Buy an iwata coupler and it'll longer.

Edit: Midwest Airbrush actually has them cheaper, depending on shipping.