Introducing the Nalge Nunc Wide Mouth Centrifuge Bottles, designed for optimal performance in laboratory settings. Made from durable polystyrene, these sterile bottles feature a conical bottom for efficient sedimentation. Each bottle comes with a secure screw cap, ensuring leak-proof storage and transport of samples. The wide mouth design allows for easy filling and cleaning, making them a practical choice for any lab. This pack includes 12 bottles, perfect for bulk use. Trust NALGENE 3145-0175 for reliable, high-quality centrifuge solutions!