Bilge or Drain Hose. Soft PVC hose, gray with hard PVC spiral (-15 to + 60 ° C).   Sold by the Metre                         IDMØ             ODMØ                        Bend Radius  DC19A 19 mm 24.8 mm 28 mm   DC25A 25 mm 30.0 mm 35 mm   DC32A 32 mm 38.0 mm 45 mm   DC38A 38 mm 44.2 mm 50 mm