Manual pet doors are the most common type of dog doors and cat doors purchased. In fact, when most people refer to a dog door they are referring to manual dog doors. You have a correspondingly greater selection than for motorized or electronic pet doors. Unless you have a specific need like stray cats breaking into your home, the possibility of wild animals breaking in for food, etc., we think that the manual dog door or cat door is the way to go. They're simpler; less to go wrong. They don't require keeping up with batteries or lost collar keys. They can have flexible, therefore safer, flaps. And, last but certainly not least, they cost less other things being equal. Unless you have a good reason, get one of these dog doors or cat doors.
The Ideal Premium Aluminum "Draft Stopper" dog door resembles the original Ideal Ultra-Flex. However, the Premium version includes a metal frame and eight magnets on the sides to improve wind resistance.