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This Vibrant replacement O‑ring is made entirely from FKM (Viton) rubber and is supplied as the pressure seal for the referenced V‑Band assemblies. It restores the built-in O‑ring seal and maintains the gasket-free male/female flange joint performance when servicing or replacing hardware on compatible flange assemblies.
Vibrant Replacement Viton O-Ring for Part #11491 and Part #11491S
