20MM STPR,ST PLUG (13X20)GRY B, 1 Case

Rubber 20mm Straight Plug Style Stopper, Gray Chlorobutyl-Isoprene Blend/40 PTFE Faced (Case of 1000)  
 
WHEATON? Rubber Stopper
 
Variety of styles, sizes and rubber formulations
Manufactured from the highest quality raw materials
Components manufactured to yield exceptional dimensional stability
Straight plug stoppers provide maximum sealing for vials with straight-wall glass finish
Snap-on style provides maximum sealing for vials with a blow-back glass finish
Sleeve style stoppers feature a fold-over skirt for sealing in serum finish vials without a crimp closure
Autoclavable