Compatibility: multi-surface brush roller and filter are perfectly compatible with Bissell CrossWave X7 Pet Pro 3011, 2832Z, 2955Z vacuum cleaner with anti-shock function. MULTI SURFACE BRUSH ROLLER - Innovative microfiber and nylon brush scrubs to remove dirt and minimize the annoying wrapping of pet hair. Safe to use on carpets and sealed hard floors such as hardwood, tiles, laminate, linoleum and more. Multi-stage filtration: this air purifier filter elements is made of high quality material and highly efficient particulate air filters to ensure better performance. It can remove 99.97% of particles under 0.3 microns, which is an Perfect choice for families with pets. EASY TO REPLACE AND CLEAN: Snap into place for quick and effortless routine replacement without tools. Simply rinse with clean water and allow to air dry completely before use. Material: plastic colour: As shown Package Contents: 2 x Multifunctional brush 2 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.