The CELLMASTER™ PET Roller Bottles from Greiner Bio-One Inc have been redesigned with an easy on/off cap that opens or closes in half a turn. The new bottles are used for robotic handling, manual procedures, and cell-culture and vaccine-production applications. The bottles are available in an 850 cm2 size with screen-printed graduations to 1.5 L and a plug seal cap. They are guaranteed sterile and nonpyrogenic.

Greiner Bio-one Inc
(800) 884-4703; www.gbo.com