PetBird Xpress offers over 1,000 items including Multi-Cluster. Our Customer Care Representatives are standing by to help with your questions. Expect your Multi-Cluster to leave our warehouse within 1 day. Its easy to track your shipment by clicking on MY ACCOUNT at the top of this page. PetBird Xpress is proud to represent PLANET. We never sell unproven off-brand products. At PetBird Xpress, your satisfaction is our number 1 concern! We've been at it for over 15 years and we have satified thousands of customers like you.