Perfect fit: The replacement dust bag is suitable for L10s Pro Ultra Heat / L10s Ultra / X40 Ultra / X50 Ultra / X30 Ultra / L10s Ultra Gen 2 vacuum cleaner. Please confirm your device model before ordering. Efficient filter performance: the L10s Ultra filter bag consists of a high-quality meltblown filter layer and non-woven fabrics. It has a 3-stage filtration that effectively filters out 99.97% of dust particles and allergens up to a size of 2.5 microns. 3.2L large capacity: The dust bag of for the Dremae L10s Ultra can store dust for up to 60 days. To the optimal performance of the vacuum cleaner, please clean and replace parts in time. For allergies and pets, it is recommended to replace the dust bag every 2-3 weeks. Improved sealing technology: The filter bag with flap closure ensures that dirt and dust remain securely in the bag after use. The folding design allows you to expand the capacity of the bag. For allergy sufferers: The dust bag is environmentally friendly and