Where can you buy a safety ladder?

Question

its one of those ladders that are used incase of fires you throw them down your window and they latch onto the ledge.

are they safe to climb back up aswell?

Answer 1

home depot or lowes. did i spell that right?

Answer 2

Home Depot

Answer 3

hmm exactly aht i got just recently , I got it from E-bay , however its also available at Home Depot bt is a bit expensive there, heres the link for you .

http://search.ebay.com/search/search.dll...