Find Multi-Cluster and 1,000's of other products at PetBird Xpress! Email, Skype or Call us with any questions or special requests. Multi-Cluster are stocked items that ship within 1 day! At PetBird Xpress you can always login to get updated shipping status. PetBird Xpress is your source for quality branded products from PLANET. We don't stock any inferior house brands. We appreciate the opportunity to serve you! Join our 12,000 satisfied commercial and residential customers.