Nilfisk CarpeTwin (14/18 model) Replacement Vacuum BagsGreen Klean Replacement vacuum bags use the highest quality Micro-Plus filter media including Melt-Blown inner liner in order 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. Each bag is printed to easily identify the vacuum it fits. These vacuum cleaner bags are not cheaply made, just cheap on your wallet. The vacuum cleaner bags are an excellent replacement for part number 703768 and strongly recommended by GoVacuum for use in your vacuum cleaner. If you have any questions about what vacuum cleaner bags will fit your vacuum cleaner or you need bulk pricing, please contact us.