6 mm (1/4") thick 24" (610mm) x 24" (610mm) Doulite glass for the IE1B type hose cabinets. The Doulite glass is a double pane glass with an adhesive centre that holds the glass if broken. The Doulite glass is a stronger pane of glass then the standard glass and is used primarily in Medical Centres or sport complexes where risk for breakage may occur.