Calibrated to contain

·         Scale is permanent brown stain

·         Specially designed rubber washer is supplied with each pipet and is used to support the pipet in the neck of the test bottle

·         Marked with “Sealed 3” for use in states requiring this marking

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type 1I, Class A requirements