It are made from durable polyethylene (PE) with a narrow neck for precise and controlled dispensing. These bottles are ideal for laboratory applications, offering efficient liquid flow and minimal waste. The flexible delivery tube ensures accurate liquid application, while the "goose neck" design allows for easy access to hard-to-reach corners of flasks. The blue body and caps provide clear identification of the bottle contents. These wash bottles are sold in a pack of 3 and are perfect for rinsing, dispensing, and general laboratory use.