Idea of Filter Icon
The image is depicting a funnel-like object. The object is segmented into two portions, the bottom shape is rectangular and asymmetrical whereas the top half is more of a trapezoid shape with rounded corners.
This Filter icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,100 icons, all in the same style and quality.