I have 5 Thermo Scientific Nalgene 2126-4000 Heavy Duty Carboy Wide Mouth 4 L bottles. These are scientific grade and brand new. They are made out of Polypropylene which means they can be autoclaved. I has planned on using the for aging mead and for making starters but just never got around to it. I have 5 total, all brand new. Asking $25 + shipping each