Para-wish Thick Glass Round Media Storage Bottles with Blue GL45 Screw Cap Pk-2 Thick Graduated Borosilicate Pyrex Glass Container

Borosilicate glass body for chemical, thermal expansion, shock and heat resistance. The heavy duty pryrex media round bottles can be used for storage as well as mixing and sampling. Media bottles feature indented gripping zones along the sides of the bottle to allow easier and safer handling, and a new cap design that permits faster opening and closing. 30mm Diameter of the bottle mouth is big enough for easy and dripless pouring, and also easy to clean. Sealed, linerless polypropylene screw cap with a pour ring secures contents to help prevent spills and evaporation.