Wide Compatibility: Dust bags compatible with For X5 Pro Omni/X5 Omni/X2/X2Pro/X2 Omni/T30S Pro, please check your machine model before purchasing Multi-Layer Filtration System: The dust bag consists of three layers of high-density fabric and one layer of activated carbon fabric, which can easily filter large dust particles and unpleasant odour Activated Carbon bag: With activated carbon, for x5pro omni dust bag not only effectively filters 99.9 % of dust particles and down to a size of 2.5 µm, but also filters out odour to keep air fresh Large Capacity: The 4-litre capacity dust bag can be used for up to 90 days and retains its performance even after prolonged use Compatible Models:For X2/X2Pro Omni/X2Pro/X2 Omni For X5/X5Pro Omni/X5Pro/X5 Omni For T30S Pro(Not For T30S Combo) Color: White Material: Non-woven fabric Package Contents: 20 x Dust Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.