Results 1 - 15 of 18 Media bottles are typically constructed from biologically and chemically inert plastic or glass and feature screw-on caps. Duran Square Media Glass Bottle 100ml with GL32 Cap - Scientific . laboratory 100ml GL45 square bottles with screw cap-HPLC . 100 ml PUREGRIP® Bottles GL45 Screw Cap - Foxx Life Sciences.