Ospho OSPHO GAL Rust Inhibitor, Liquid, Acid, Green, 1 gal Jug, Pack of 4

A rust-inhibiting coating. Ospho causes iron oxide (rust) to chemically change to iron phosphate. Resists/retards rust, provides a sound base for paint.
Unit: GAL
UPC: 757533012757
Model Number: OSPHO GAL