---
title: "O2 Icon | Free Download PNG & SVG | Outlined Line - Streamline Material"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/o2--32261
canonical_url: "https://www.streamlinehq.com/icons/download/o2--32261"
summary: "Clean line icon of a large O with a smaller raised 2. Used for oxygen, chemistry, formulas, and science interfaces."
---

# O2 icon

The O2 icon shows a large O with a smaller raised 2. Drawn in the line style on a 24px grid for clear, consistent display in interfaces. Use it for oxygen labels, chemistry tools, science education, laboratory dashboards, and environmental data. It belongs to Outlined Line - Streamline Material set in the Streamline Material family.

## Preview

![Clean line icon of a large O with a smaller raised 2. Used for oxygen, chemistry, formulas, and science interfaces.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/social/o2-d83e6.png?_a=DATAiZkSZAA0)

## Details

- **Name**: O2
- **Type**: Icon
- **Set**: [Outlined Line - Streamline Material](/icons/material-pro-outlined-line.md) — Improved Material Line Icons redrawn using Material Design Guidelines with better coverage and consistency. Fixed where originals fell short.
- **Family**: [Streamline Material](/icons/material-pro.md)
- **Style**: Line, Outlined, Geometric
- **Category**: Social › Social
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: o2, oxygen, gas, molecule, chemical, air, formula, element, breathe, science, environment

## Download

- [Download O2 on Streamline](https://www.streamlinehq.com/icons/download/o2--32261)

## Also available in other styles

- [O2 — Sharp Line - Streamline Material](/icons/download/o2--32890.md) (Pro)
- [O2 — Rounded Line - Streamline Material](/icons/download/o2--32931.md) (Pro)

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