The Tefal X-trem Power TW6851 is a high-suction bagged cylinder vacuum from Tefal’s performance line, built for households where thorough cleaning on carpets and hard floors is a regular requirement. The X-trem Power designation reflects a suction level above Tefal’s everyday entry range: the TW6851 handles embedded carpet grit, fine hard floor dust, and the debris load of a busy household without needing repeated passes. A consequence of higher suction is faster bag consumption. The motor draws air through the bag at an elevated rate, which accelerates particle accumulation in the bag material. A bag that would last several weeks in a lower-powered vacuum may need replacing sooner in the TW6851, particularly in homes with carpets or frequent vacuuming sessions. Stocking replacement bags in advance removes the risk of running out when the bag reaches capacity.
This value pack contains six replacement bags, each a Plus.Parts® component designed to fit the TW6851’s bag chamber. The collar matches the motor inlet, the bag body fills the compartment correctly, and the self-sealing flap closes when the bag is removed. Multi-layer synthetic material handles the debris volumes typical of high-suction vacuuming, maintaining filtration quality through a full fill cycle.
Every bag holds its collar seal and internal shape from empty to full. Our team is available to confirm compatibility for your specific TW6851 variant.
Quick overview
- Inspected Before Shipping – Each bag checked for correct dimensions and collar fit before dispatch, ensuring it seats in the TW6851 chamber without issue.
- Consistent Performance – Synthetic multi-layer material maintains filtration quality from first use through the full capacity of the bag, reliable for intensive use.
- Reliable Quality – Built to hold collar seal and shape through the fill cycle, with no collapse or bypass at the seam.





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