Fisherbrand™ Twistit™ Rubber Stoppers
Stoppers made from soft, resilient, natural rubber with safe convenient countersunk holes, stoppers feature excellent aging characteristics with high resistance to deformation
Fisherbrand™ Silicone Recessed Septum Stoppers
Nontoxic and autoclavable recessed septum stoppers are externally serrated to create an effective internal seal
Fisherbrand™ Solid Neoprene Rubber Stoppers
Recommended where rubber would be attacked or deteriorated
Wheaton™ Ultra Pure Complete Coat Stoppers
Featuring PTFE-like coatings to prevent reactions due to sample contact with rubber. Wheaton™ Ultra Pure Complete Coat Stoppers are manufactured in a silicone-free environment.
Fisherbrand™ Solid Rubber Stopper for Microchemical Apparatus
Trim to fit any opening from 4 to 12mm
Wheaton™ Snap-on Style Stoppers for Vials and Serum Bottles
For maximum sealing of vials with blow-back glass finish
Wheaton™ Straight Plug Style Stoppers for Vials and Serum Bottles
For maximum sealing of vials with straight wall glass finish
Corning™ Polyethylene Caps for Cluster Tube System
Designed to fit 1.2mL cluster tubes and cluster tube strips. Corning™ Polyethylene Caps for Cluster Tube System are used with 98-well cluster tube systems.
Wheaton™ Ultra Pure Straight Plug Stoppers
Provides for extremely high chemical purity and low gas permeability. Wheaton™ Ultra Pure Straight Plug Stoppers are manufactured from an ultra pure bromobutyl formulation.