Flexible ducting made of PVC coated polyester fabric of yellow or red color, external metal wire covered with a polyester tape of black color. Ends with sleeves smooth with reinforced wall without metal spiral. Internal perfectly smooth if tense. High tensile strength for the construction by stitching. Operating temperature: – 20 ° + 90 ° C. Bending radius 0.7 times the diameter. Production diameters from 102 to 1200. Standard lengths: 4 to 6 meters, others on request. End rinforzabili circles disks inserted, sewn eyelets for fixing to the ground or overhead wires through hooks and rings. Ideal for the conduction of hot air produced by portable heaters. Particularly suitable in the sports facilities of addestrament rescue dogs and defense, playground, schools and kindergartens. Also available ANTISTATICA not to scare long-haired dogs. Below are few technical data of some tube sizes.