Gl45 Bottle found in: DURAN® Pressure Plus Bottles, Caps, Bottle, GL-45 or GPI-38, hybex Media Storage Bottles, Solvent Filtration Disposable Vacuum.. laboratory bottle with a GL45 thread Replaces the stopper to make the connection to the bottle A GL32 PBT cap with a PTFE faced silicone sealing ring makes the connection to the filtration assembly A GL45 PBT cap with PTFE faced silicone