The Air Master -  2 1/2" Mullion Tube Kit for Impact Windows is a high-performance structural component designed to seamlessly join and reinforce multiple impact window units. Engineered for strength, durability, and hurricane resistance, this mullion kit is Miami-Dade County Approved - Mullion Tube, meeting the highest standards for High Velocity Hurricane Zone (HVHZ) compliance.

Whether you're combining single hung, casement, or fixed windows, the Air Master™ Mullion Tube Kit offers a clean, professional finish while supporting code-compliant installations across Florida and other coastal regions.

Key Features:

• Miami-Dade Approved for HVHZ compliance and hurricane resistance

• Designed for joining multiple Air Master™ impact hurricane window units

• Enhances wind-load resistance and structural stability

• Made from durable, corrosion-resistant materials

• Suitable for residential and commercial installations

• Provides a clean, seamless appearance between windows

• Easy to install with compatible Air Master™ window systems

Ensure maximum protection and structural performance with the Air Master™ Mullion Tube Kit for Impact Hurricane Windows—a trusted solution for building safe, storm-ready window configurations.

     product approval & installation instructions: