The aluminium retaining ring is placed on top of the Filter Holder.
We manufacture and supply a range of meteorological sensors and display modules for professional use worldwide.
Our range of air samplers provide an accurate method of determining particulate mass concentration. They are used widely in the nuclear, chemical, construction and agricultural industries.
The Munro Portable Skid Resistance Tester is an internationally-recognised, precision-built instrument used to assess the slip/skid resistance of pedestrian surfaces and roads.
Munro Instruments are now suppliers of numerous Material Testing instruments.
This can be purchased to replace a misplaced or damaged retaining ring.