Panasonic U, U3 & U6 Micro filtration vacuum bags designed to fit Panasonic upright vacuums using Type U, U3 & U6 bags. Advantage Micro filtration bags are constructed of a strong paper outer layer and fine Micro-Liner that captures microscopic particles with an efficiency rating of 95%. Advantage micro filtration bags are great for allergy sufferers. Designed to fit all Panasonic upright vacuum cleaners except - MC-655V and MC-658V upright vacuum cleaners. (These models take type U1) Also fits MC, MC-V, 5100, 5200, 5300, 5500, 6200, 6300, 6600, 6700, 6800, 6900 series uprights and all models beginning with MC-UG. This package contains 10 premium Micro-Lined bags.