Shield Hanging Interior Dehumidifier moisture to prevent mold and mildew and helps prevent against damp and condensation. Protects cooling systems metals including aluminum. Suitable for Petrol & Diesel Engines. Corrosion, rust, and scale prevention. Freeze & Boil over protection. Suitable for petrol and diesel engines. Freeze and Boil Over Protection. Corrosion, Rust & Scale Prevention. Prevents Over Heating. Features: Long-lasting, the anti-rust formula provides enhanced fuel performance Offers boil-over protection Prevents overheating Suitable for petrol and diesel engines Anti-Spill design. Absorbs excess moisture to prevent mold & mildew. Helps protect against damp & condensation. Helps eliminate musty odors. Any room convenience. Lemon & Jasmin Refreshing Fragrance