Merlett Vacupress Superelastic Hose. A plasticized double layer PVC hose with polyester yarn reinforcement and galvanised steel spiral. Ideally suited to the suction and delivery of food liquids. Features and Benefits. Smooth surface. Highly flexible PVC cover and inner hose. Good abrasion resitance. Steel spiral. Polyester yarn reinforcement. Applications. Suitable applications include,. Agriculture. Industry. Building. Nautical. Transport