Zefon International is a manufacturer and supplier of sampling equipment used to monitor indoor environmental, occupational health, and safety conditions. From asbestos cassettes to pre-weighed filters, Zefon provides the OEHS Professional with the highest quality products in air sampling media. Products you can find include air pumps and calibrators, cassettes and media, air sampling equipment for potentially explosive atmospheres, portable instruments, gas detection equipment, and laboratory and safety supplies.
Zefon is certified and in compliance with ISO 9001:2015 for design and manufacture of air sampling products, air sampling cassettes and media and air sampling equipment for potentially explosive atmospheres. Distribution of sampling media and cassettes, sampling pumps and calibrators, portable instruments and gas detection equipment.