^^^^^^ Contact Kurt at cruiseroutfitters.com he is a fine upstanding expeditionportal supporting member/vendor. I got that set-up through him and he would know what parts are available. The whole shower kit was only $45
http://www.cruiseroutfitters.com/
http://www.cruiseroutfitters.com/helton.html
http://www.cruiseroutfitters.com/
http://www.cruiseroutfitters.com/helton.html