Find Diet Conversion Kit and 1,000's of other products at PetBird Xpress! Email, Skype or Call us with any questions or special requests. Diet Conversion Kit orders are processed within 1 day. We ship from three warehouses via Fedex and UPS. Join our group of 12,000 satisfied customers! Whether you are a restaurant owner or a consumer - you can count on PetBird Xpress.