10 Karcher Tornado Dual HEPA Commercial Vacuum Cleaner Bags Each manufacture package includes 10 microfine electrostatic lined allergen vacuum bags made by EnviroCare Premium Aftermarket part #ECC174 Designed to fit with or replace OEM numbers 6.904-309.0, 6.904-305.0, 6.904-294.0, Janitized Part #FJAN-KACV30-2, Cleanbreeze, 9533091, 9.533.091.0, NSS Pacer #7190461, K6904305, K6904294) or 300 (K6904303), K6904301 reusable cloth bag. Fits Models: Karcher/Tornado and NSS Pacer Dimensions:1 5/8 hole diameter; 13" x 6 1/2 bag size; 4 1/8 x 3 1/2 cardboard A must for allergy sufferers!