Vantech Universal Adjustable Crossbar for H2.1 Series Model A00001000BVantech Universal Adjustable Crossbar for H2. 1 Series Model A00001000B The H2. 1 is built to be modular. Tailored to your needs. We took this a step further by creating crossbars that will fit almost anywhere on your system! The universal cross bar is designed to expand or contract from 50 inches to 65 inches to bridge any gaps on your H2. 1 system. Whether its to add mounting real estate, or to support a heavy load, this extension bar has you