Product#: TG-5725 Availability: This item normally ships within 1 - 2 business days. Description: The column is 25 mm OD and 270 mm long. Overall height and width is 610 mm x 160 mm. Designed for use with water-soluble gases such as sulfur dioxide, ammonia and hydrogen bromide. Vigreaux section has a series of inward points angling downward toward angled exit tube.