The Petromax Globe for HK350/HK500 Lantern is a replacement glass lantern globe or chimney designed to fit the Petromax HK350 and HK500 pressure lanterns. It is made of high-temperature resistant borosilicate glass manufactured by Schott, a reputable glassmaker. The globe is available in both clear and frosted/opaque finishes to suit different lighting needs. Its purpose is to act as the chimney component on these specific Petromax lantern models, helping to regulate airflow and project the light from the lantern's mantle or flame source. Thanks to the frosted glass, the bright light of the Petromax lamp is dimmed and evenly spread.Material: glass. Dimensions: 4.3" L x4.3" W x 4.5" H. Weight: 0.3 lbs.. Origin: Germany.