Test Tube Icon - Lab Equipment Illustration for Science & Education #3344378 (License: Personal Use)

This is a simplified, flat-style vector illustration of a glass test tube tilted at an angle, containing a vibrant blue liquid up to the mid-level. Four black horizontal lines indicate volume measurements along the tube’s body. The image uses bold outlines and a transparent checkerboard background, making it suitable for digital interfaces and print media.

This image is typically used on educational websites, science blogs, lab equipment catalogs, or as an icon in apps related to chemistry, biology, or medical diagnostics. It serves users searching for visual representations of laboratory tools or scientific concepts.