NIEDNER DRAFTEX is an extremely lightweight suction hose. The DRAFTEX single jacket construction uses 100 percent spun polyester combined with a helical interior reinforcement. It is lined with TPU elastomer and encapsulated with red DRAFTKOTE™ to enhance durability. With a service test pressure rating of 300 PSIG (2100 kPa) DRAFTEX is designed for Forest Service use with portable pumps as well as other pump applications. Patent No. 2168497. For more information, go to http://www.niedner.com/Uploads/Documents/2015-DRAFTEX.pdf .