the cover can roll on /roll back with motor.

来源: 于 2012-07-20 16:45:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

 http://www.royalswimmingpools.com/auto_covers.htm

 

should able hold 300 lbs, you can leave 2/3 water...still should shock it once a week.