Wheaton lab 45 media bottles are manufactured from USP Type I borosilicate glass.

Lab 45 bottles are also ideal for freeze-drying when used with slotted stoppers (see 16149-139 or 16171-620 series ).

These clear, versatile bottles are equipped with a 45 mm screw thread finish, a large writing area, and approximate volume graduations. The 45 mm wide mouth finish facilitates filling and retrieval of contents.