3M PPS UV Standard Lid & Liner Kit is a black, non-transparent version of our 3M PPS Standard Kit, designed for UV light curing materials. It contains 50 black lids (with 125 micron filters), 50 black liners and 24 black sealing plugs for use with the 3M PPS (Legacy) paint preparation system. PPS disposable lids contain welded-in filters which strain paint material while spraying.