Flask black outline icon
Outline conical flask with stoppered neck, wavy liquid line and bubbles
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About the Flask black outline icon
A conical Erlenmeyer flask is drawn with a narrow neck closed by a rounded stopper band, straight sloping sides and a flat base. A wavy line across the lower third marks the liquid level, with three small circles rising as bubbles beside it. It signals experimentation, testing and chemical reactions — fitting for lab management software, chemistry lessons, pharmaceutical sites, research reports and product A/B testing dashboards.
The wavy fill line breaks the strict geometry of the cone and gives the design its character; bubbles are grouped low-left so the shape stays balanced. It pairs with microscope, test tube and DNA icons in the library. Keep the bubbles visible by using it at 24px or above.
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.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
