Spare DURAN® Glass Desiccator Lid & Stopcock, Fit to All DURAN® Desiccators, for 150-~300-type Spare DURAN® Glass Desiccator Lid & Stopcock, Fit to All DURAN® Desiccators, for 150-~300-type Spare DURAN® Glass Desiccator Lid & Stopcock, Fit to All DURAN® Desiccators, for 150-~300-type Spare DURAN® Glass Desiccator Lid & Stopcock, Fit to All DURAN® Desiccators, for 150-~300-type