3M PPS Lid and Liner Kit 16325 Large 125mic3M PPS Large Kit contains 25 lids with micron filters, 25 liners, and 10 sealing plugs for use with the 3M Paint Preparation System. An all in one painting system that allows painters to mix and measure, filter, spray (in any direction!) and temporarily store coating materials. PPS disposable lids contain a welded in filter which strains the paint material while spraying.