Keep your S1 Pro vacuum operating at peak performance with our Basic Quarterly Subscription Service. This service ensures that key accessories are replaced on schedule, extending the life and efficiency of your vacuum. Replacement Guidelines: Replace the Side Brush Every Three Months Replace the Washable Filter Every Three Months Replace the Roller Brush Every Three Months Replace the Dust Bag Every Two Months Replace the Washable Vacuum Mop Cloths Every Two Months Accessories Included in Each Delivery: Side Brushes ×4 High-Performance Filters ×2 Rolling Mop ×1 Dust Bags ×3 Rolling Brush ×1 Brush Guard ×1 Subscription Details: The eufy Accessories Subscription Service offers flexible subscription plans: monthly, quarterly, semi-annual, or annual. Your subscription fee will be charged on the date of your first purchase, marking the beginning of your chosen subscription term. Accessories are delivered according to your select service duration—monthly, quarterly, semi-annually, or annually. You may cancel, pause, or restart your subscription anytime after purchasing the service. Ensure your S1 Pro continues to deliver top-notch cleaning with regularly scheduled accessory replacements!