PVC twin welding hose 8mm 10mm soft, flexible, top quality light weight ... factory for more than 12 years experience 4 layers PVC twin welding hose Descriptioin: 1. 3 layer: PVC resin 2. middle ... .5mm /13mm 4. Length: 10m, 30m, 50m, 100m Application: Mainly used for GAS COOKING, OVENS.Characteristics: Abrasion resistant, weather resistant and ...