I do not recommend this product to anyone. I installed this product professionally, the hoses are riveted to the center cap which is the weak link. I drove about 450 miles, pulled the fifth wheel and found the inner dual tire was flat. I was lucky the cork wasn't damaged. The cause of the failure was the hose extension separating from the center cap, falling between the inner and outer tires and tearing the valve stem off the rim. The tire center stated that this isn't the first time they've…