We offer discount for large quantity. Welcome to with us! Replacement Vacuum Pre- FiltersModel for A958KA, A958SA, A9MASTER2X, A9MULTI2X, A9MULTI, A9DDCARPET2, A9DDCARPET, A902RM, A906SM, A907GMS,A927KGMS,A905RMWashable and Reusable Please Completely Let Dry before Reuse.Colour:GreenMaterial:plasticPackage Contents:6 x filter Only the above package content, other products are not included.Note: Light shooting 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.