Why should you choose Sigma protective filters?
Protective filters of the SIGMA brand are currently at the forefront of respiratory protection, reliably preventing health hazards and protecting the lives of civilians and health professionals, workers in laboratories, chemical, food, metallurgical and power plants, and professionals in rescue and armed forces.
- Tradition of the development and production of protective filters since 1935
- First-class filter materials for capturing a wide range of harmful substances
- Know-how verified by use in extreme conditions such as dangerous diseases, industrial accidents or war conflicts
- Precision production based on a quality system pursuant to standards
- ISO 9001:2001, ISO 14001:2004, ISO 45001:2018 and AQAP 2110
- subject to regular inspections and annual audits
- Testing of resistance to the penetration of harmful substances in our own chemical laboratory
- Multilevel quality control by visual, physical
- and chemical methods on special test equipment
- 100% outgoing inspection, high durability and long service life