XL GUILLOTINE DOOR: Guillotine dog door panels keep a pet from entering or exiting through an opening whether they are used with Gun Dog House Door dog doors or a standalone system.. Also, useful for extreme weather situations. Our dog kennel doors feature a specialized design for Kennel Operators, just add a cable and pulleys (NOT INCLUDED) to operate the dog panel without entering the kennel run. MADE TO LAST: Gun Dog House Door is the industry's most durable and weather tight dog door on the market today. Available in many sizes to best fit your canine or feline. Easy to install every door we make is chew proof and hold a manufacturer's warranty that lasts for 10 years. RAIN OR SHINE: Our closure kits are made to withstand any elements that may be thrown at it, we ensure that you will be installing an energy efficient door that will seal off the elements and keep your energy bill from spiking. BEST FOR: Many of our products can be used in any setting. The XL Guillotine closure is best for extreme weather also works great in multi dog and kennel facilities. OUR GOAL: Providing you with a dog door that will last many years, we know you have a four legged best friend that needs to go outside or back to his or her kennel without you always having to be there. We have managed to make a door that will withstand the elements from the weather and the chewing from your pup. Gun Dog House Door