The 3M Performance Replacement Kit OV/P95 has everything you need to replace your cartridges and filters on your 3M Paint Project Respirator 6000 series. For professional use only, this kit helps provide protection against particles and organic vapors when attached to a 3M Reusable Respirator. When its time to replace your cartridges or filters, rely on the 3M Performance Replacement Kit OV/P95. Kit contains one pair of replaceable 6001 cartridges, one pair of reusable 501 retainers and two pairs of replaceable 5P71 filters. NIOSH approved: OV/P95.