UltraCruz® Media Bottle also known as solution bottle, is sterile and suitable for storage of buffers, serum, tissue culture media, and other aqueous solutions. Media bottles are individually packaged and sterilized by gamma irradiation making them RNase-free, DNase-free, non-cytotoxic, and non-pyrogenic. Made from high quality polystyrene, Media Bottles feature heavy-walled construction for added strength. The walls of the bottles also have two indents to securely grip the bottle. Graduations are engraved along the sides of solution bottles for convenience. Each bottle comes with a textured cap for ease of opening and tightening. Solution bottles are compatible with UltraCruz® Bottle Top Filters.