There are 2 names in this directory beginning with the letter V.
Vacuum relief valve
A feature on Hollister Incorporated leg bag tubing, which helps prevent collapse of the tubing.
Vented leg bag
En A special vacuum-relief mechanism featured on Hollister Incorporated oval kink-resistant tubing and the companion pouch, which also features an air vent. These combined features help to minimize a vacuum in the leg bag, as well as in.