Fulfillment by Amazon (FBA) is a service we offer sellers that lets them store their products in Amazon's fulfillment centers, and we directly pack, ship, and provide customer service for these products. Something we hope you'll especially enjoy: FBA items qualify for FREE Shipping and Amazon Prime.If you're a seller, Fulfillment by Amazon can help you grow your business. Learn more about the program.3M Accuspray Atomizing Heads are designed specifically for use with 3M Accuspray ONE Spray Guns. This selection of replaceable heads makes for the incredibly fast, efficient application of low-, medium- and high-viscosity materials from one gun. Technicians simply remove and replace the head for the performance of a new spray gun on demand. See-through heads are easily cleaned and reused.