Celltreat Roller Bottles are packaged sterile and have a large knurled cap for easy grip. Made out of USP Class VI polystyrene, they are available Tissue Culture Treated or Non-treated for suspension culture. Celltreat offers Expanded Surface Roller Bottles which have a fluted design that provides TWICE the surface area of a standard Roller Bottle, within the same volume.
Expanded Surface Bottles: provide 2X the surface area of a standard bottle
Large knurled cap for easy grip
Vented or non-vented cap for open or closed systems