Rust Patrol Multi-Purpose 5 Gallon Pail Rust Patrol Multi-Purpose - Penetrant, Rust Preventer, Lubricant, and Moisture Displacer - 5 Gallon Pail The five-gallon pail of Rust Patrol Mulit-Purpose will cover up to 6,000 ft2. It can provide up to one year of rust prevention, works as a... MSRP: Was: Now: $720.39 Out of Stock