A Better, Cleaner Way To Lubricate And Protect Your RV Slide-Outs. Don't Let Rust And Corrosion Eat Away Your RV -- Use Protect All Heavy-Duty Slide-Out Dry Lube Protectant And Industrial Grade Rust Inhibitor. Rust And Corrosion Can Prevent Parts From Sliding And Cause Deterioration And Breakdown Of Expensive Mechanisms. Protect All Slide-Out Dry Lube Is Specifically Formulated To Do Two Jobs: Lubricate And Protect All Metal Parts Of The Slide-Out Assembly, Including Support Arms, Gears And Cables During Long-Term Exposure And In The Most Inclement Weather. This Superior Protectant Quickly Penetrates Between And Around Parts Displacing Moisture And Preventing Rust And Corrosion. Wet, Oily Lubricants And Thick Greases Collect Dirt, Road Grime, Sand And Salt That Gum Up The Mechanism. Slide-Out Dry Lube Produces A Firm Dry, Waxy, Protective Amber-Colored Film That Keeps The Slide-Out Mechanism Operating Like New, Clean And Rust-Free. Protect All's Slide-Out Dry Lube Protectant Has Proven Itself Under The Most Extreme Test Conditions Of The American Society For Testing And Materials. 1000 Hours Of Continuous Salt Spray And 1500 Hours Of 100 Percent Humidity Translates For The Consumer Into Many Months Of Thorough Protection In All Weather Conditions.