Tough roller bottles for durable and reliable cell culture production. Special one-piece blow-molded polystyrene construction is more resilient than welded Falcon standard polystyrene roller bottles. With easy on/off screw cap or vented cap. Printed blue graduations in 50 ml increments from 50 to 2000 ml. Sloped top interior provides easy decanting. Sterile.

*Double bagged.