The Green Klean® Windsor Sensor, Versamatic Plus Triple Layer Replacement Vacuum Cleaner Bag is made from the highest-quality materials to achieve filtration efficiencies up to 99.9%. Fits XP12, XP15, XP18, S12, S15, S2, SRXP15 (10/10 packs per case). Green Klean® vacuum bags use the highest quality filter media including Melt-Blown inner liner to achieve filtration efficiencies up to 99.9%. Designed specifically for commercial use, they are always equal to or exceed OEM quality. Better filtration means cleaner air, less dusting, longer secondary filter life, at considerable savings. Maintains suction longer than conventional bags: better suction, less vacuuming. Keeps machines running at peak performance. Removes many indoor allergens, especially in the critical 0.3 to 1 micron range. Order 10 per pack. Replaces OEM#. 5300, 8.600-050.0, 8.628-484.0