2 - 12ft x 6ft 12.8 ft would be total height. 6.3 ft would be outer width. subtract 16" for the inner height, subtract 16" for inner width. $3,400 each tower ($6,800 total)
1 - 8ft x 6ft 7.9 ft would be total height. 6.3 ft would be outer width. subtract 16" for the inner height, subtract 16" for inner width. $2,920
1 – 6ft x 6ft 6.3 ft would be outer height. 6.3 ft would be outer width. subtract 16" for the inner height, subtract 16" for inner width $2,240