Type ER3
The Type ER3 Drain Ring, manufactured by KSH Germany, is used for draining residues from star systems with 3″ threads. It is inserted over the system’s connection thread, allowing containers to drain fully down to the filter base, ensuring efficient residue removal and clean operation. Absorb NZ is the exclusive distributor of KSH filtration and drainage accessories in New Zealand.
Features
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
Links
Downloads
Specification Guide
Installation Guide
Uninstallation Guide
Video
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.

