Downstream Defender® Select

Enquire Now

Designed to meet most stormwater regulations, the Downstream Defender® Select uses a vortex that is induced from the incoming tangential flow. Pollutants are directed towards the sump of the chamber while treated flow travels around the inner annulus to the outlet.

  • Removes up to 80% total suspended solids ( TSS ) with a mean particle size of 230 microns.
  • Small footprint
  • Removes sediments, floatables, oils and grease
  • No re-entrainment of previously captured pollutants


  • Roads, carparks, commercial properties
  • Ports, airports, construction sites
  • Industrial and commercial facilities
  • Offline and online treatment of existing stormwater reticulation


Click here for resources related to our previous Downstream Defender® models

Product Resources