Used tube set removed from Zodiac Yachtline 380 DL. They hold air... no leaks. Removed because the bolt rope that secures the tubes to Zodiac hull have come unglued in a few places. Tubes are PVC and about 9 years old. Will be heading south from New England in a week and could drop off any place between Stamford, CT and Punta Gorda, FL Asking $500 or best offer. http://newhaven.craigslist.org/bpo/5868903426.html