Fibre glass Evercoat URO-FILL 102233 Activator, 946 mL Can, 4:1 Mixing

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 Uro_Fill activator