ECO PLUS 1/4 HP WATER CHILLER 728700 by Ray | Oct 20, 2016 | Growing Supplies | 0 comments 1 Year old unit. Mint Condition. Pride and care was taken in using all of this equipment. MODEL NUMBER 728700. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.