VWR Vwr Stopper White 14/20 Pk100 Unit CS. However secondary containment can be an overlooked detail in the laboratory. Secondary containment or drip stop ensures that liquids slurries and powders have an outlet and are expelled either into a container or a sink. It is particularly important when a dilute solution is present. Typically a secondary containment is an integral part of every solution; however in some procedures additional diversionary measures may be necessary. Secondary containment is the critical separation or containment device in the laboratory that diverts liquids away from the analyte of interest. It is the stopper that is responsible for diverting liquids away from the sample which in turn may contain a radioisotope of interest. It is the stopper that is responsible for preventing leaks from occurring in the lab. Specifications for VWR Vwr Stopper White 14/20 Pk100 20221: Manufacturer: Advantech Manufacturing Color: White Package Contents: VWR Vwr Stopper White 14/20 Pk100 20221 / 89097-554 The VWR Vwr Stopper White 14/20 Pk100 20221 is a quality addition to the Advantech Manufacturing lineup. For more great deals on Laboratory Consumables by Advantech Manufacturing please browse our Advantech Manufacturing Laboratory Consumables page. VWR Vwr Stopper White 14/20 Pk100 20221 Unit CS