Permatex 81849 Rust Treatment, 10.25 oz, 12/case

One step rust treatment that destroys old rust and prevents new rust. Spray on and within minutes rust is replaced by a durable black polymer coating that may be painted. Excellent protective primer. Specially formulated to use with body filler and fiberglass. Use when temperatures are between 50° and 90°F.WARNING: Cancer and/or Reproductive Harm. See