Zefon International is a longstanding partner with air quality experts around the world. With an extensive catalog of high-quality equipment and a commitment to standing behind everything we sell with exceptional customer service, we are your one-stop shop for everything you need to monitor environmental and occupational health and safety conditions.
Why shop at Zefon?
In addition to the wide array of product Zefon manufacturers, Zefon is a supplier of many other products that compliment our own sampling products. We are representatives for Bios International, BW Technologies, Delmhorst Instruments, Extech Instruments, Gastec, Sensidyne/Gilian, and TSI Incorporated.
Zefon strives to operate in the most efficient manner in order to offer competitive prices.
Our large inventory of stock items ensures we will have what you need, when you need it. As a result, Zefon ships 98% of all orders within 24hours. Items that normally cannot ship within 24hours are noted on this website with the normal delivery time.
Dependable Customer Service
Zefon is a traditional 'brick and motar' business formed in 1990 who uses the internet as one of many sales and marketing mechanisms. When you call us (during normal business hours), you will reach someone who can help you.
Zefon manufacturers and sells only high quality products; products you can count on to work each and every time.
ISO 9001:2015 Certified
Zefon has been certified to be in compliance with the ISO 9001:2015 standard for the design, manufacture and distribution of air monitoring devices, medical devices and injection molded products. This is the highest internationally recognized standard for design and manufacturing excellence.