Since you are hell bent on the 12 ft hose despite the reasonable objections
and views from the users here, I offer this suggestion. Go to your local air
conditioning company and buy 8 feet of 6 inch insulated flex duct. put the 5
inch pipe inside of the 6 inch pipe and seal with duct tape. Throw the end
of the 6 inch pipe out the window.
Problem solved

"A J Wright" wrote in message
...
The windows is 10 feet away from protable air conditioner.
Can you please tell me where to purchase this longer hose?