eXtreme Single Flap Aluminum Dog Door - Medium Our MAX system is the

Our MAX system is the high-end version of our other customer favorites

Waterproof "Active" Collar

5" wide x 2"long

the correction level on each collar can be set independently

eXtreme Single Flap Aluminum Dog Door - Medium Our MAX system is theAluminum Dog Door Do you have an Extra Large dog that desperately needs unlimited access to the great outdoors? We at eXtreme Dog Door are ready to fulfill this need for you. Your big dogs should have the right go outdoors and relieve themselves whenever they need to, dont you agree? What a great thing for you as well, that your schedule is able to be freed up to continue doing the things that you like to do without interruption. We are happy to help