The GRACO 17R799 FlexLiner Adapter Kit is a fitting designed to adapt GRACO EDGE II spray guns and older EDGE guns with metal cups to use FlexLiner cups. The material is not specified, but it is engineered for compatibility and reliability within GRACO spray equipment. Key Features: Adapter/Fitting Kit 17R799 GRACO EDGE II spray guns and older EDGE guns with metal cups Enables use of FlexLiner cups with EDGE II and older EDGE guns Designed for easy installation and maintenance Enhances equipment versatility and reliability Applications:Used in spray finishing applications where FlexLiner cups are preferred for convenience and reduced cleanup. Suitable for industrial, automotive, and maintenance environments. Installation Notes: Using genuine GRACO parts ensures proper fit, performance, and safety with GRACO equipment. Ensure the spray gun is clean and free of debris before installation Follow the equipment manual for specific installation steps Check for leaks and proper seating after installation Regularly inspect the adapter for wear or damage Clean after each use to prevent clogging or contamination Replace if signs of wear or malfunction are observed