Hello - This cabinet filler is typically best installed through the face frame of adjacent cabinets. To discuss this further, please be sure to reach out to your local Home Depot. The team members in the Kitchen Cabinetry Department will be able to assist you with all your project's needs. Thank you for reaching out to Hampton Bay Designer Series, and please have a great day!
We are sorry to hear about those missing shelves, Georgia. Please, at your convenience, give your Hampton Bay Customer Care Team a call at (888) 578-4009 or email us at firstname.lastname@example.org to discuss your options. We look forward to hearing from you and hope that you have a great day.