The replacement filter suit for Rowenta RO7611EA RO7634EA RO7623EA RO7647EA RO7663EA RO7676EA RO7681EA Silent Force Cyclonic vacuum cleaner, compares to ZR903701.We recommend changing the filter every 3 to 6 months to ensure perfect performance. This also depends on the frequency of use.Block fine particles and floating dust and avoid secondary air pollution. Helps protect our household from dust, pollen and mould spores.Colour As shownMaterial plasticPackage Contents 3 x Filter3 x Filter cottonOnly 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.