http://www.marinelink.com/news/graco-s-polyurea-air-purge-spray-gun-offers-tool-less-maintenance/graco-s-polyurea-air-purge-spray-gun-offers-tool-less-maintenance306500
Graco's Polyurea Air-Purge Spray Gun Offers Tool-Less Maintenance
A key consideration for users who spray fast-set plural-components materials, such as polyurea, is gun maintenance. Graco Inc. makes…