We offer discount for large quantity. Welcome to contact with us! Brand new and high qualityMade of high-strength and environmental protection materialEasy to installThe filter screen can keep the cleaning performance of the sweeper and reduce the penetration of dust, pollen and other allergens into the air you breatheIt is suggested that it should be replaced every 1 -2monthsModel Number: Dreame Bot L10s UltraVacuum Part Type: BrushesType: Vacuum Cleaner Partscolor:As shownMaterial:plasticPackage Contents:1 x rolling brush4 x side brush4 x filter6 x cleaning cloth2 x cleaning brushOnly 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.