Superior quality commercial vacuum bags are specifically designed for janitorial professional vacuum cleaners. Meets or exceeds OEM standard. OEM/Compatible: Compatible; For Use With: Windsor® Sensor, Triple S ProSense, ProChem PV12, Uvac UPV12, CVU and Hillyard Trident V12XP, V12S Uprights; Style: 0.3 Micron Filter; Type: Micron Filter.