Strong, flexible, extruded rubber latex Ideal for general laboratory use Smooth walls are of uniform thickness; meets Federal Specification  ZZ-T-831c, Types I, III, IV and V. Listings give i.d. x o.d. x wall thickness, in inches.

Flexible, smooth-walled vacuum tubing High-quality gum rubber Cartons contain 48 to 50 feet (14.6 to 15.2 m) of vacuum tubing. Listings indicate i.d. x o.d. x wall thickness in inches. Vacuum tubing is 10 ft per pack and 50 ft per carton.