Hemispherical Soft Shell

These Series O soft shell heating mantles for round-bottom flasks come paired with the PowrTrol power control as a special, economical package. The PowrTrol is a solid-state, proportional-voltage control that provides precise manual control of the output range. It is adjustable from 5-100%. The standard Series O mantles are expressly designed for round-bottom flasks from 50...