Flask black outline icon
Conical laboratory flask with a rimmed narrow neck and liquid inside the base
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About the Flask black outline icon
A conical Erlenmeyer laboratory flask with straight sloping walls, a narrow neck capped by a rounded rim, and a wavy line across the lower body marking the liquid level. It carries ideas of experiments, chemical testing and research, working well in science education sites, lab and pharmaceutical services, medical reports, A/B testing dashboards and startup pitch decks.
The wide triangular base gives the icon a stable footprint while the slim neck and rim add a recognizable silhouette at the top. The single liquid curve is the only interior detail, so it holds up from 16px upward. Pair it with microscope, test tube and molecule icons when assembling a science or research collection.
This is the black outline version of the flask icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
