[Perfect compatibility] - Replacement filter is perfect compatible with for Rotator Professional Upright Vacuum NV400 Series NV400 NV401 NV402 NVC400C spare part, replace to part # XFF400 & XHF400. (Please check your model clearly before placing an order, to avoid mistake purchase!!!) [Washable & reusable] - Replacement filters for Rotator Upright Vacuum are washable and reusable. It is recommended to clean the NV400 filters once a month and replace the foam and felt filter every 3 months as well as replace HEPA filter every 6 month for longer service life and higher cleaning performance. Just simply rinse it with clean water by hand or small brush, wait for it to air dry completely and then use it again. [Easy to install] - The installation for rotator nv402 upright vacuum filter set is easy, it can install without any tools. Our filter set compatible with for vacuum nvc400c are designed to clean area rugs and deep clean all sealed hard floors including wood, hard floor, tile, area rugs, marble and laminate. And also have good air permeability and strong adsorption force, giving you a clean living environments. [High efficiency filtration] - nv400 filter for rotator upright vacuum is made of 2pcs HEPA filters with H13 efficiency, 4 pcs felt filters with textured surface and 4pcs foam filter. It can handle 99.97% of particles as small as 0.3 Micrometres, improves the air quality in your home and ensures better air and a healthier living environment, which is especially helpful for households with children, pets or allergic person. Please note:the physical slightly color difference or difference, does not affect the use,Please don't mind, thanks! Colour:Red & White Material:Plastic Package Contents: 2 * HEPA filters 4 * foam & felt filters 1 * cleaing brush 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.