FILTER FOR : Our high-efficiency HEPA replacement filters are fully compatible with for Plus 405/505 Combo Robot Vacuum. Please verify your vacuum model before purchasing. HIGH PERFORMANCE: High efficiency filter replacements help attaching 99.9% of dust, dirty, pet hair, and small particles as small as 0.1 microns. To keep your Robot Vacuum running at performance, it's recommended to clean the filter replacements every few weeks and replace every two months. HIGH QUALITY: Filter replacement is made of high-strength materials to best performance and a healthy lifestyle. EASY TO INSTALL: Simple installation, no tools required. Simply remove and replace HEPA replacement filters from your machine when needed. Just cost you few minutes, saving you more time and energy. PACKAGE INCLUDING: 6-Pack Replacement HEPA Filter for Plus 505/405 Combo Robot Vacuum Cleaner Applicable Models:for Plus 505/405 Combo Vacuum Cleaner Color:As Shown Material:plastic Package Contents: 6 * Filter 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.