3.78L Uro-Fill 2.1 Ure Primer:
An acrylic urethane primer surfacer that easily sprays to an ultrasmooth texture. It is ideally suited for use over bare steel, body filler, fiberglass and treated aluminum. Uro-Fill™ quickly finish sands with fine grit sandpaper and provides an excellent base for today's high tech finishes. Use with Uro-Fill™ Activator.