<br />Number of panels: 2 BR flap dimension: 10 " 18" BR rough cut: 12 1 2 " 23" BR outside dimension: 13 9 16 " 23 0805" BR retail price: 369,00 $ BR weight: 21 BR BR pet doors, Endura flap flap design BR BR this door Endura wall mount pet later , and the most innovative design ever. Receive DOG 2007 FANCY editors choice award.<br /><br />This door design features a double flap.<br /><br />One big advantage to the plate Endura wall mount is that it has a self-framing wall mount. When installing the pet door in the wall, you should always be on the wall "of the framing." This means that after cutting the hole, and must be sealed off inside the wall so that no moisture can penetrate into the wall. Our "self-framing" sets the wall make this task much easier. If you have the knowledge and tools necessary for "Do it yourself" and then our own framing wall mount Endura flap is an excellent choice. Another great feature is the presence of a pet door to install wall mount is the fact that it can be removed and the wall patched, without leaving any signs of a door for her pet. Dry the outside and plaster interior wall is an excellent example of where both sides can be corrected, and re-draw if you must remove the pet door at a later time. The second consideration which must be addressed is if you need a single or a double flap flap A flap on each side of the wall. The air space between the double-flap better insulation of one door and pet flap also carry the highest winds. If you were not sure of the door companionship wall mount best suites your needs, consider one door flap. If you are installing the doors in a temperate climate or in unheated garage or shed, and I would suggest that the flap and one would be sufficient. If you feel that there is a need for more than the current storm windows, double pane windows, you will need to select whether the double flap.