Weather Guard HVAC/Mechanical Van Package GM Savana Chevrolet Express 135" Wheelbase Model 600-8123RWeather Guard HVAC Mechanical Van Package GM Savana Chevrolet Express 135" WB Model 600 8123R Designed for HVAC professionals and mechanical contractors, the Model 600 8123R van package for Full Size, 135in wheel base GM Savana and Chevrolet Express vans provides adjustable cargo van shelving sized to fit the commercial van interior, a 5 drawer secure storage cabinet, a shelf door, six medium storage bins, and a tank rack. It includes a sturdy van