PPS 3M (16312) Midi Lid Kit with 125 Micron Filters Designed for use with 3M Paint Preparation System, PPS Kit contains disposable Midi size disposable: lids with micron filters, liners and sealing plugs Conventional Gravity Cup systems, paint is mixed and measured in mixing cups, then strained through filters into a paint reservoir, where there is often considerable paint waste PPSis an all-in-one disposable solution for measuring, mixing, filtering, and spraying of Paint Materials System enables the Painter the ability to consistently spray at 90 degrees to the part, no matter the part orientation (even upside down), often reducing paint consumption The all-in-one solution reduces the chance of outside contamination, along with consistent material transfer which improves quality, while reducing paint consumption. PPS reduces cleaning solvent consumption by 70 percent, reduces prep and clean-up time by 50 percent