WALL KIT FOR STANDARD OR DELUXE DOOR: Convert your Standard or Deluxe door to fit into a wall. Fits walls 4-3/4 to 5-1/4 inch think. Or walls 6-3/4 to 7-1/4 inch thick. IDEAL PET DOORS HAS DISCONTINUED MAKING WALL KITS FOR THESE DOORS. WE HAVE A LIMITED AMOUNT OF CERTAIN SIZES STILL AVAILABLE IN OUR WAREHOUSE. ALL OTHER SIZES ARE NO LONGER AVAILABLE wakiforidpet Availability: Usually ships the next business day. Wall Kits for Ideal Regular (Plastic Frame) Dog Doors IDEALWKREG$1.00Sizes_Available: Large(+30.00) Wall Kits for Ideal Deluxe (Metal Frame) Dog DoorsIDEAL PET DOORS HAS DISCONTINUED MAKING WALL KITS FOR THESE DOORS. WE HAVE A LIMITED AMOUNT OF CERTAIN SIZES STILL AVAILABLE IN OUR WAREHOUSE. ALL OTHER SIZES ARE NO LONGER AVAILABLE Availability: Usually ships the next business day. IDEALDLXWK$1.00Sizes_Available: XLarge(+30.00)