General description Brush Roll Replacement for Bissell X7 3350F 2832Z 2955Z Cordless Pet Pro Multi-Surface Wet Dry Vacuum Cleaner is designed to maintain the peak performance of your vacuum. Made from high-quality materials, these accessories are durable and perfectly matched to the original equipment. Regular replacement of these cleaning accessories helps reduce the infiltration of dust, pollen, and other allergens into the air. Technical specifications Material: Plastic Package Contents: 2 x Main Brush, 4 x Side Brushes, 1 x Cleaning Brush Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on the frequency of use.