This Green Klean Red Cloth Shakeout Vacuum Bag with SMS Liner replaces the OEM red cloth "shake out" bag and uses an advance inner liner (SMS). The additional liner provides greater filtration helping to eliminate the puff of dust that occurs with a standard cloth bag. Each bag includes the spring and closure clip. For use without the paper F&G inner bag. Fits Clarke Alto S12 and S16, Eureka/Sanitaire SC600 and SC800 Series, Kent Euroclean, and Triple S SSS ProSpec HD100 and E12.