421 Products supplying plumbing products for the trade.

421 Products was first established in 1996.  From March 2010, 421 Products was purchased by Rain Harvesting Pty Ltd.

At Rain Harvesting we design, manufacture and wholesale a high quality range of sustainable water products for both the Australian and International markets.   To view our full product catalogue – Rain-Harvesting-Pty-Ltd-Corporate-Catalogue-2015.

As an Australian owned business, we pride ourselves on our high level of service and our dedication to developing and supporting our partners.

421 Products offers a full range of:

  • Standard and Custom Printed Pipemarkers
  • Detectable, Non-Detectable Underground and Barricade Tapes
  • Tube Sleeving
  • Rain and Recycled Water Products & Associated Signage
  • Full range of Mandatory, Warning, Prohibition, Safety, Danger and Customised Signs designed and printed to your requirements IN-HOUSE.

For further information please refer to the relevant category page on our website.




1800 06 77 44