The Indasa Amber Cavity Wax is designed to protect the internal surfaces of vehicle cavities, such as door panels, sills and chassis, from corrosion. The wax provides a durable, amber-coloured coating that repels moisture and prevents rust from forming in hard-to-reach areas. Designed to protect metal from rust and corrosion, this clear cavity wax allows the original colour to remain visible with the bonus of easy application via 500ml aerosol can. Provides long-lasting protection.