Material: PVC Heat resistance :-25 - +75 Properties:PVC spiral hose with unbreakable core inside,long-lasting.Smooth wall inside.Different colors can be prdered.RoHs approval. Usage:For water,liquid,powder,granule transmission.Water supply drainage usage in construction etc. Available for 150 Series,160 Series,171-180 Series. Specification OD (mm) ID (mm) M/Roll 16 15.6 12 20 20 20.5 16 20 25 26.2 22 20 32 33.2 28 20 40 40 35 20