Different replacement flaps are designed for different pet doors that we offer. They are intentionally made according to the size and features of the pet doors. But these flaps are intentionally made for ideal ruff weather door only:

MRWRF  (#MRWRF)       8"W x 13"H Opening       Ruff Weather Replacement Flap Medium                                         Regular Price - $44.99                                         Sale Price - $34.99  RWRF  (#RWRF)       10 1/2"Wx 17"H Opening       Ruff Weather Replacement Flap Extra Large                                         Regular Price - $69.99                                         Sale Price - $24.99  RWRF-SL  (#RWRF-SL)       Super Large Ruff Weather Replacement Flap                                         Regular Price - $69.99                                         Sale Price - $56.99

Each pet doors needs a flap in order to secure your cat or dogs from the bad weather and their enemies. We understand that pet doors flaps may crack, break or tear especially under extreme circumstance that’s why we have provided an ideal ruff weather door replacement flaps for you to purchase additionally. This is a great substitute to the older damaged flaps that will also allow you to easily install it into the frame of your pet doors. Actually, we have provided it with a drilled mounting holes as well as metal strip for easy replacement. Just pick the one that truly matches the size of your ideal pet doors.

We also know that some customers might be wondering how to choose the most appropriate size of pet doors for their dogs. Due to this inquiry, we always tell our valued customers to keep in mind that it is not likely to get a door which is larger than what you expect and at the same time, it is not also ideal that you get a door which is smaller than the size of your pet. And to give you some of the most important guidelines, here are the things we recommend you to follow. Remember that in case you have more than one pet, just focus on the larger size of dog you own.

Choose a flap size of 5” x 7” if you own a cat smaller than 15 pounds or a dog smaller      than 8 pounds.
Choose a flap size of 8” x 11” if you own a dog weighing 8 pounds up to 35 pounds.
Choose a flap size of 10” x 15” if you own a dog weighing between 35 up to 80      pounds.
Choose a flap size of 15” x 20” if you own a dog weighing over 80 pounds..

Measuring Pets Width --- All you have to do is to measure the opening of a door where your pet comfortably walks through then simply add one inch to the measurement. This will absolutely get the exact measurement of your pet’s real size. Also, you may use a ruler and stand above your pet to measure their widest proportion and also add an inch. Adding a particular inch is very important because pet will stop himself from rubbing his body on the door as he pass through it.

Determining Pets Height --- By simply measuring the top of their shoulders up to the lowest point of your pets belly or chest plus adding two inches can accurately determine their height. Take note that it is really important to add few inches to the measurement because it will prevent your pet from rubbing their back on the door as they pass through it.

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