It are specially designed for efficient reagent dispensing in laboratory environments. Made from durable, chemical-resistant polystyrene (PS), these sterile reservoirs feature a divided design for easy and precise handling of two different volumes, 10 mL and 15 mL, making them ideal for a variety of laboratory applications. The white color allows for clear visibility of contents, while the sterile design ensures contamination-free usage. These reservoirs are packaged in bulk, with 40 sets of 5 reservoirs per pack, providing ample supply for high-volume laboratory use.