Like our Twin Tubes, Lauren AgriSystems’ Short Air Tubes are made from modified PVC, the short air tubes come in 9/32’ ID and are 8.5” long. These tubes are the toughest short air tubes in the industry. This unique material allows the tube to stay flexible during both extreme cold and extreme hot temperatures, there will be do change in physical properties based on temperature.The Short Air Tube is durable and very tough, and made form a see-through material. Like any rubber and/or plastic material there is a use life limit, Lauren AgriSystems recommends changing our Short Air Tubes every 3 liner changes or 12 months, which ever comes first. If you are using a convention black rubber short air tubes, make sure to check it regularly as cracking occurs quickly and can be tough to see!