[HelpDesk] Helpdesk question via web

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Form data:
  Name: Alain Petite
  EMail: alain.petite at wanadoo.fr
  OS: XP Pro
  UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Orange 7.4; InfoPath.2)
  IP: 82.124.74.243
  Time: Wed Dec 19 02:40:41 2007

Bonjour,
where can i find please the following parts : flexible and rigid  air tubes, cylinders with air pumps, and distribution boxes (I don't know the english word) which allows the air to go in a air tube or in another) . These parts are used for example in the Lego Technic n° 8837

Thank you 
Best regards