DURANĀ® Aspirator (levelling) Bottle, with GL 45 screw cap (PBT, red) and GL 32 bottom stopcock (glass, PTFE), 1000 mL Aspirator laboratory bottle with screw closure, complete with PTFE key stopcock and GL 45 red PBT cap. Features and Benefits: Supplied ready to use DURANĀ® glass and PTFE key stopcock outlet Made of virtually inert, chemically resistant DURANĀ® glass Fully compatible with all the GL 45 threads and therefore highly versatile Tabulator with GL 32 thread Easy-to-read scale with graduation marks to estimate the content Fired-on, highly durable white ceramic Application: Storage and dispensing of liquids and reagents