Liqui-Moly-6115-Cavity-Protection-White-Transparent-500ml-Liqui-Moly-6115-P-This-white-transparent-cavity-protection-500ml-from-Liqui-Moly-is-a-corrosion-inhibitor-with-very-high-penetration-&-heat-resistance-Once-dry-a-very-tough-permanently-soft-water-repellent-protective-film-is-formed-making-it-ideal-for-supplementing-cavity-protection-on-new-vehicles-P-P-Also-used-for-retreating-sealants-after-2-3-years-supplementing-corrosion-protection-following-accident-repair-&-rust