Kl Ml Hl Dl MS No. coil windings per tube length No. coil windings per tube length Spec. Spec. Tube size (mm) Coil (mm) Tube size (mm) Coil (mm) Tl No. of tubes Max. operating length (mm) No. of tubes Max. operating length (mm) L D O.D. I.D. O.D. I.D. L D Part No.