The Fusion AP (Air Purge) Gun handles everything from polyurethane foam to polyurea coatings. With long-life mix chamber and durable side seals, Fusion air purge guns are designed to reduce your maintenance and downtime. With convenient features and a smooth, ergonomic handle, the Fusion AP will give you days of spraying without fatigue. At Pinnacle we supply only genuine Graco replacement parts. Protect your investment and reduce downtime, trust only genuine Graco parts.