With its significantly higher density than most other types of synthetic rubber, the Viton O-Ring is chosen for its performance, chemical resistance and longevity. If you are replacing or upgrading your seal, this is the obvious choice.
Features:

• 1 Inch O-Ring
• Fits our Magnetic Drain/Fill Plugs
• Viton Rubber
• Black
• Sold Individually

Applications:

• Fits 1 Inch Drain/Fill Plugs