3M PPS Series 2.0 Sealing Plugs are designed specifically for the 3M PPS 2.0 Spray Cup System. Sealing plugs fit into PPS Series 2.0 Lids of all sizes, and feature a wide, flat design that creates a stable base for supporting lid and cup assemblies when turned upside down. This lets you keep the lid filters wet, preserving them during temporary sealing and protection of paint and coatings.Designed specifically for use with the 3M PPS Series 2.0 Spray Cup System, the 3M PPS Series 2.0 Sealing Plugs are designed for added performance during temporary sealing and protection of paint and other coatings. Sealing Plugs fit securely into all sizes of PPS Series 2.0 Lids. The outward facing end is wide and flat, forming a stable base. You can simply turn the cup and lid assembly upside down and place it on the Sealing Plug for secure temporary sealing and protection. This method also allows you to keep the 125 or 200 micron filters submerged in fluid, helping preserve them for fewer lid replacements. The 3M PPS Series 2.0 Spray Cup System offers a complete disposable spray cup solution for mixing/measuring, filtering, spraying and for temporary sealing and protection of sprayable coatings.