These Nessler tubes are ideal for color comparison
Shadowless bottom of each tube transmits undistorted light
Rings and legend are durable white ceramic enamel
CSX 45310 series is unmatched
CSX45310A series is supplied in matched sets of 6. Graduated ring scale of any of the six tubes will not vary by more than 3 mm from that of any other tube within the set
Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Product must be used in compliance with the intended use statement listed on the product or its accompanying product information.
