Graco 246355 complete rebuild o-ring kit for Graco Fusion Air Purge Gun for Spray Foam Insulation.  Graco Spray Foam Insulation Equipment is the best on the market and Air Equipment and Repair is a leading distributor.  We only sell OEM Graco Spray Foam Insulation Equipment.  We are also a repair and warranty center as well as training center for Graco Spray Foam Insulation Equipment.  Order today and receive free shipping on all orders of $50 or more!