550ml /550cc Large Plastic Industrial Grade Measuring Syringe is ideal to use for scientific lab experiments, gardening,hydroponics, plant watering, pet feeding, filtration, motor applications, art and crafts, aquarium, winemaking, some culinary uses, teaching applications, research experiments and many other uses. They are perfect for wide range of liquid substances. Syringes are convenient for measuring and dispensing, refiling,irrigation, drainage of liquids. Large syringes are commonly used for fluids, solvents,lubricants,adhesives,sealant,ink,paint, epoxy resin, oil and many other. The main material is polypropylene. The polyethylene construction of these disposable syringes usually makes them rather chemically resistant. There is, however, a risk of the contents of the syringes leaching plasticizers from the syringe material. Non-disposable glass syringes may be preferred where this is a problem. High quality materials and design makes this syringe easy to use. The plunger pulls completely out the back of the syringe and the rubber seal can be taken off for cleaning as well.