2.It's transparent and clearly to show the true color of the paint inside. Works great, can quickly interchange with the airbrush.
3.The connection angle is at the industry standard 60°down angle from vertical that most brands of siphon, suction, or bottom feed single-action airbrushes use.
4.Jar cap keeps the air out, good for protecting your paint from being dry in the bottles.
5.Not For Use with Dual-Action Airbrushes: Do not use these 30° down angle jar and lid assemblies with dual-action airbrushes, as the jars will tilt backward when attached, which interferes with the hose connection.