Only Works with Shark AH400 AH401 AH452 AH452W AH454Q Shark Rocket Vacuum 325FFJ452 This item is a wearable part. Per manufacturer, normal wear and tear of wearable parts, which require regular maintenance and/or replacement to ensure the proper functioning of your unit, are not covered by this warranty. For Return and Refund, please refer to Amazon’s Return and Refund policy. Only Works with Shark AH400 AH401 AH452 AH452W AH454Q Shark Rocket Vacuum.