17030K supplied with a glass stopcock plug

·         Easy-to-read durable black enamel scale for 17030K and 17021H-50

·         17121H supplied with a PTFE threaded stopcock assembly and a precision ground tip

·         17021H supplied with a PTFE compression fit stopcock assembly and a precision ground tip

·         17021H, 25 mL buret has a permanent brown stained scale

·         KIM-KAP™ dust cap is included

·         Funnel fill style buret

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