Delrin Acetal White Tube (5/8") 0.625" OD  x (1/2") .500" ID x 24" Length

-20° to 180º F
ASTM D6778, NSF
ANSI Standard 61 for Drinking Water

Oversized OD and an undersized ID for finishing to the sizes listed.

OD Tolerance +.050" 
ID Tolerance -.050"