Camco s RV Slide Out Lube and Protectant helps protect and maintain your RV s slide-out. It helps reduce slide-rail friction keeping your slide out mechanisms moving smoothly and freely. This protectant can also be used to lubricate and prevent corrosion on undercarriage parts marine fittings and trailer hitches. The spray is specially formulated to leave a dry non-greasy moisture-repelling film that coats and seals to repel dirt and grime and protect against rust and corrosion. The Slide Out Lube and Protectant is long-lasting and formulated to meet stringent military specifications for the prevention of corrosion. The formulation does not contain any chlorinated or fluorinated solvents and is fortified with PTFE. This product is rated for a minimum of 336 hours of continuous salt spray and 720 hours of 100% relative humidity. Size: 15 oz.