Aztek Airbrush Accessory Kit, 1/2-Ounce Bottles with 28mm Quick Connect Cap Kit includes 2 Jars, 2 Caps and Siphon Tubes These bottles can be used with the A220, 8821, ColorArtz and Amazing Air Airbrushes Easy and fast to connect, just clip into place 1/2-Ounce Bottles with 28mm Quick Connect Cap 2