Dog Cat Flap Door with 4 Way Security Lock Pet Screen Door ABS Plastic Flap Door for Small Large Dogs Cats Kitten Puppy Pet Gate Door Kit Cat Accessories

【Installation】

1.

•Remove your screen door and lay it down on a flat, hard surface.

•Separate the frames of the pet door.

•Place them on opposite sides of the screen, preferably in a lower corner.

2.

•Align pins and hold tightly into the frames.

•Snap them by tapping or with a hammer whichever would make it totally together.

•Tighten the screws.

3.

Using a knife, cut off the screen follow the dog door.

4.

Bend the Inner door, and put it in.

Finish.