WD-40 Specialist 6.5 oz. Long Term Corrosion Rust Inhibitor. WD-40 Specialist Long-Term Corrosion Inhibitor is designed to offer superior protection against rust and corrosion in extreme environments. This anti-rust spray provides a non-drying coating that stays where you spray it, ensuring long-lasting protection for metal parts. It is perfect for preventative maintenance and use in high humidity or harsh conditions, protecting metal surfaces for up to 1 year outdoors and 2 years indoors.

• Long-Lasting Protection: Blocks rust and corrosion for up to 1 year outdoors and 2 years indoors.
• Non-Drying Coating: Stays where you spray it.
• Ideal for Extreme Environments: Perfect for high humidity and harsh conditions.
• Preventative Maintenance: Extends the life of metal parts.
• Versatile Use: Suitable for industrial equipment, tools, and machinery.
• 2 years indoor protection and 1 year outdoor in elements