Concentrator Tube, Lower Ground Mouth Size 19/22, Upper Ground Mouth Size 19/22, Overall Length 130 mm, USP Specification Type I, Product Type Concentrator Tube, Type Concentrator Tube, Material Borosilicate Glass, Color Clear, Autoclavable No, Features For Use with Polyacetal Clamps (675300), Not Supplied, Standards ASTM E438, Type 1, Class A, ASTM Specification E438
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