Tube: white alimentary NBR, smooth, to assure a total no-toxic quality and immutability of tasting and smel- ling of the conveyed products.
Reinforcement: steel wire helix with high strength synthetic textile plies.
Cover: blue, abrasion, greases, ozone, weathering and marine agents resistant rubber.
Surface: smooth fabric finished.
Branding: white transfer tape lettering “H.T. - ALIMEN- TARI/ SP10LB/EXTRA - NBR - FOOD F.D.A. 3A - D.M. 21.03.1973 - MADE IN ITALY”.