Stainless steel capillary simulated distillation column for accurate boiling point determination of medium and heavy fractions. Low bleed, 100% dimethyl polysiloxane phase suitable for ASTM D2887, D6352, D7169, D7213, and D7500. Coil diameter: 7", temperature range: -60 to 430/450C. Replacement for 220-94856-01 and 220-90604-03.