Thistle Tube Basic Material Plastic Funnel Top Inside Diameter - Metric 27 mm Laboratory Funnel Type Addition Body Material Polypropylene Funnel Material Polypropylene Autoclavable Yes Body Color Clear USP Specification Not Applicable Product Type Thistle Tube For Use With Burettes Narrow Neck Containers Stem Length - Metric 254 mm Stem Outside Diameter - Metric 6.4 mm Funnel Maximum Outside Diameter - Metric 27 mm Includes Closure No Overall Height - Metric 28 cm