SMC DOT Unequal Union

The SMC DOT Unequal Union is the perfect solution for converting between different air line sizes without the need to re-run your entire system. Whether you're upgrading components or adapting your current setup, this fitting makes transitions quick, clean, and hassle-free.

Available in common size combinations like 3/8" to 1/4" and 1/2" to 3/8", it allows you to seamlessly connect mismatched air lines while maintaining a secure, leak-free connection.

Featuring a push-to-connect design on both ends, installation is fast and simple. Built to meet DOT standards, this fitting delivers reliable performance for both daily driving and high-performance air suspension systems.

Key Features:

• Converts between different air line sizes (3/8" → 1/4", 1/2" → 3/8")
• Eliminates the need to re-run existing air lines
• Push-to-connect design for quick installation
• Secure, leak-free connection
• DOT approved for safe, road-ready use

A must-have fitting for simplifying upgrades and keeping your air system flexible and efficient.