🛡️ Fluid Film AS11B Black Undercoating Spray – Rust Inhibitor, 11.75 oz Pack of 12

Fluid Film AS11B is a powerful black undercoating and rust preventative spray specifically designed for long-term corrosion protection on metal surfaces. Ideal for automotive underbodies, trailers, frames, and equipment exposed to moisture, salt, or chemicals.

Formulated with lanolin (wool wax), this 11.75 oz aerosol can delivers strong adhesion, excellent creep capability, and long-lasting protection without evaporating, drying, or cracking. It penetrates deep into crevices to displace moisture and prevent rust before it starts.

✅ Key Features:

• Stops existing rust and prevents new corrosion
• Black coating blends with vehicle undercarriages
• Lanolin-based formula – solvent-free and non-toxic
• Great for undercoating vehicles, trailers, and equipment
• Long-lasting protection in all weather conditions

📦 Product Details:

• Brand: Fluid Film
• Model: AS11B
• Size: 11.75 oz Aerosol Can
• Color: Black
• Application: Undercoating, metal protection, rust prevention
• Base: Lanolin (Wool Wax)
• Condition: New
• Made in: USA

🛠️ Recommended Uses:

• Automotive undercarriage & frames
• Trailer hitches, leaf springs, and axles
• Farm and industrial machinery
• Battery terminals and electrical connections
• Marine equipment exposed to saltwater

⚠️ Safety Information:

• Use in well-ventilated areas
• Store in a cool, dry location away from heat or flame
• Keep out of reach of children

Protect your equipment with Fluid Film AS11B — the trusted solution for professional-grade rust prevention and black undercoating performance.