PetBird Xpress offers over 1,000 items including Multi-Cluster. Our Customer Care Representatives are standing by to help with your questions. We do stock Multi-Cluster and they usually ship within 1 day. We work very hard to honor our shipping and delivery estimates! Multi-Cluster are quality products from PLANET that you can rely on. At PetBird Xpress we only offer branded products from premium manufacturers. 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.