This is the Culligan OR-233 replacement O-Ring that fits Culligan whole house filter systems. Replacing your O-Ring on a regular basis will help decrease the likelihood of leaks and maintenance issues long term.

• Brand Name: Culligan
• Exterior Diameter: 3-3/25 in.
• Material: Rubber
• Product Type: O-Ring
• Number in Package: 1 pk
• Shape: Round
• Wall Thickness: 1/8
• Brand Compatibility: Fits US-600， SY-2000， SY-2500， SY-2300， SY-2300S， SY-2650， RO-3000 or RO-3500
• Packaging Type: Bagged