[Perfect compatibility] replacement filter kit is perfect compatible with for detect pro cordless stick vacuum iw1111 iw3511, replace to part # xaffiw1000 & # xfiw1000 & # xhfiw1000 & # xprfiw1000 & # 1541fc3000. (Note: Please double check your vacuum model or part number or compare the part shape to our picture before placing an order, to avoid mistake purchase) [Washable and reusable]The filter kit is washable and reusable, expect the odor neutralizer . It is recommended to clean the iz3511 filters and foam felt filter set once a month and replace it every 3-6 months to improve suction and performance and extend the life for detect pro cordless stick vacuum iz3511. Simply rinse it with clean water, wait for it to air dry completely before reuse. But the odor neutralizer is recommend to replace when the fragrance fades [Easy to install]Our iw3511 filter set is easy to disassemble and install, without any tools.Besides, iw1111 odor neutralizer cartridges makes a fresh-smelling for your home, it is recommended to replace the odor every 1-3 months depending on the frequency of use [High suction performance]Our replacement filter set for detect pro cordless stick vacuum iw1111 is made of high filtration material, with maximum-efficiency filter technology, and to best improve iw1111 vacuum's suction strength, effectively help you remove the dirt and enjoy a clean environment . Provide you and your family with a better fresh air and healthier living environment Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:plastic Package Contents: 2 x dock hepa filter 2 x hand hepa filters 2 x hand pre-motor filters 4 x dock pre-motor foam & felt filters 2 x odor neutralizer cartridges 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.