Overview Reviews Product Description Multi-purpose air gun for sprayable seam sealer or to dispense cartridges and sausage packs in a conventional bead. Heavy-duty design. Mechanical plunger dispenses even high-viscosity products easily. (90-120 psi) Product Videos Custom Field Product Reviews Write a Review Write a Review × Crest Universal Spray Gun (GUSG) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *