Reusable: No filters to replace! Simply plug in and recharge. Charging: Charge time of around two hours for a long working time of 40 hours. Battery: Battery capacity of 800mAh. Size: Package size - 145mm x 56mm x 42mm. Air Purifiier: Get a rechargeable fridge and pet air purifier. Reduce Odour: Can help to reduce unpleasant odours from pets or food. Rechargeable Air Purifier | Living Social | Living Social