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The 3M 7100020094 is a replacement lids and liners kit for the 3M Paint Preparation System (PPS), Midi size, designed for spray gun cup use in automotive and industrial refinishing applications. Each kit includes 50 disposable Midi size liners with a 400 milliliter (13.5 oz) capacity and 50 matching lids fitted with 200 micron filters. The 200 micron filter screens out particles before paint reaches the gun, reducing tip clogs and overspray debris. This is a consumable kit intended for single-use per liner, supporting fast color changes and cleanup between jobs.
This kit is suited for 2-panel spot and blend repairs where smaller paint volumes are needed. The Midi size works with PPS-compatible spray guns and cup adapters in body shop, fleet refinishing, and collision repair environments. The disposable design eliminates solvent cleaning of the cup between colors, which reduces solvent waste and speeds workflow on multi-color jobs. Professional automotive painters and refinishing technicians are the primary installers and users of this system.
Designed for use with the 3M Paint Preparation System (PPS) Midi size cup and adapter setup. Specific gun and adapter compatibility should be confirmed against the PPS adapter guide for the spray gun brand in use.
Installation and use of PPS liners and lids should follow the spray gun and PPS system manufacturer instructions. Ensure the lid is fully seated and locked onto the cup adapter before pressurizing the system. Verify filter micron rating matches the coating material requirements before use. Dispose of used liners and lids in accordance with local regulations for paint and solvent waste.
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