Type GDO

Type GDO
The Type GDO Filter Nozzle, manufactured by KSH Germany, is designed for direct installation into pressure tanks, providing a tight seal to prevent filter media from escaping. It is available in various riser pipe diameters and connection thread configurations to suit different system requirements. Absorb NZ is the exclusive New Zealand distributor of KSH filtration nozzles and components.

Slot Size by Colour

  • crop_square 0.2mm Slot Size - Ivory
  • crop_square 0.3mm Slot Size - Green
  • crop_square 0.35mm Slot Size - White
  • crop_square 0.5mm Slot Size - Grey
  • crop_square 0.7mm Slot Size - Yellow
  • crop_square 0.8mm Slot Size - Blue
  • crop_square 1.0mm Slot Size - Black
  • crop_square 1.5mm Slot Size - Orange
  • crop_square 2.0mm Slot Size - Green

Watch the Orthos 4-Part Filter Nozzle Series

Deepen your understanding of filtration system design with the Orthos’ four-part video series — Filter Nozzles 101, 102, 103, and 104.

Explore everything from material selection and screen slot widths to pressure drop dynamics and advanced tailpipe construction for air scour systems.

Whether you’re an engineer, designer, or filtration specialist, these videos unpack the science behind high-performance nozzle systems — helping you optimise efficiency, durability, and performance in every project.


Watch the Series