Pro Form PF573 Cavity Wax, 489 g (17.25 oz) Aerosol

Do-it-yourself rustproofing for inner panel protection. Use on doors, rails, fenders, posts, trunks or any hard to reach areas. Cavity Wax is a light tan rustproofing material that penetrates into cracks and crevices. Won’t affect mechanical or electrical systems. Product remains tacky to touch. Film stays pliable – won’t tack, chip or peel.