- Pyrex Round Media Storage Bottle with GL45 Screw Cap - Borosilicate Glass Bottles with Caps - Premium Scientific Glassware for Labs, Classrooms or Home Use Glass Container, 100mL, 2/Pk

These PYREX round media borosilicate glass storage bottles with caps are ideal scientific equipment for mixing and sampling in labs, schools, and for STEM activities.

SAFE, DURABLE & LEAKPROOF: Offering superior heat and chemical resistance, the glass bottle storage caps are linerless, one-peace polypropylene plug seal caps with drip free pouring rings.

CLEAR, PERMANENT MARKINGS: Accurate permanent enamel white graduations make it easy to approximate contents, and the heavy-duty glass storage container has a large labelling area.

EASY TO CLEAN: The reusable glass bottles with caps are easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal lab glassware for busy environments.