Size - Clear Hose, 16mm inner diameter, 20mm outer diameter, 10 metres length. 23℉ to 149℉ working temperature. These round PVC flex tube products are suitable for use with low pressure air, liquid, chemical and gases. Food Grade - PVC tube is made of non-toxic ingredients conforming to ROHS, REACH and FDA standards. Our tubing is safe to use and well suited for beverage and brewing, kitchen usages, some solid materials, as well as handling and dispensing foods. Can be used with most commercial barbed fittings and connectors. Durable & Flexible - Smooth interior and exterior that prevents sediment accumulation and allows easy flow and flushing. Its walls are thick enough to prevent kinks but are lightweight and flexible to withstand rough handling and multiple usage while maintaining dimensional stability. Our plastic tubes are easy to use, shape, and bend and can be easily cut by any cutting tool. Multi-Purpose - PVC tubes are ideal for general use such as beer brewing, wine making, milk and food handling and processing. Also used as air hose for air conditioning, humidifiers, other home uses like plumbing, refrigeration and dental, industrial, medical, surgical, laboratory applications for transferring liquid and gas. Good Service - Our aim is to provide durable tubes. Any questions, please feel free to contact us and we will provide solutions within 24 hours.