1. Filtration dust bags trap 99.7% of microscopic particles and . 2. Standard dust bag classic repleacement - We deliver the best generic replacement! These bags are basically the same as those that came with your vacuum cleaner. 3. Change spare parts every 1-3 monthes to keep your vacuum operating at . Suitable Model: For MV3/WV3/WV4/WD3200/WD3300/SE4001/SE4002/A2200/A2204/A2656/A2500/A2600/A2900/A3100/K2201F/K2150/NT20/NT30/NT38/WD3 Robot Vacuum Cleaner Dust Bag:It is the standard disposable paper dust bag. high performance multi-grade special Mini filtration. strong double layer construction - Inner fleece , for a secure fit , longer performance, better filtration. Large-capacity collection of garbage, hair, dust,Make the ground clean as new. so that you are not afraid of leakage, so that everyone can use it with peace of mind,Large-capacity collection of garbage, hair, dust,Make the ground clean as new. Colour:as pictured Material:Paper Package Contents: 6 * Dust Bags Only the above package content, other products are not included. Note: Light 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.