Lab Test Tube Icon - Scientific Measurement & Chemistry Symbol #286195 (License: Personal Use)

This minimalist vector illustration depicts a standard glass test tube with four horizontal calibration marks, angled diagonally against a solid black background. The design emphasizes clarity and recognizability, making it suitable for UI elements, infographics, or educational materials. Its monochrome palette ensures accessibility and scalability across digital platforms.

Used in science education websites, lab equipment catalogs, health-tech dashboards, or chemistry-related blog posts to symbolize experimentation, testing, or diagnostics; matches user intent for quick visual identification of lab tools.