About Us

Zefon Building

Zefon International is a manufacturer and supplier of sampling equipment used to monitor indoor environmental, occupational health, and safety conditions. From our 50,000 square foot facility in Ocala, FL, we manufacture a large selection of air sampling filter products and sampling pumps. From the first step of injection molding of the plastic parts to the final assembly and packaging, we do it all.


Why use Zefon Products?


Quality Products
When purchasing from Zefon you can rest assured that you will be receiving only high quality products; products you can count on to work time and time again.
Dependable Customer Service
At Zefon, we pride ourselves on providing friendly and knowledgeable customer service. When calling Zefon (during normal business hours) you can rely on reaching someone who is happy to help you with the questions you may have.
Competitive Prices
Zefon strives to operate in the most efficient manner in order to offer competitive prices.
Large Selection
We offer our products in a large number of configurations to enable compatibility with most all equipment.

Fast Delivery
Our large network of distributors are strategically located to provide you with fast delivery of the Zefon products you need from a local or regional warehouse.




ISO Certified

ISO 9001:2015 Certified
Zefon has been certified to be in compliance with the ISO 9001:2015 standard 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.

ISO 9001:2015 is an international quality standard accepted by the majority of the world. It applies to all quality-related activities in an organization and helps ensure customers' needs are met. ISO 9001:2015 is intended to establish, document, and maintain a Quality Management System through ensuring the output quality of a process. ISO 9001:2015 certification is visible evidence of a company's commitment to quality that is valued, accepted, and understood throughout the world. View Zefon's ISO 9001:2015 Certificate



Our Quality Policy

Zefon International and its employees will provide quality air monitoring products in a manner that:

 • Promotes defect free product
• Ensures on-time shipment, quality, and service to our customers and our fellow employees
• Ensures a commitment to statutory and regulatory requirements

Our goal is to attain customer satisfaction by continually improving and maintaining
the effectiveness of our Quality Management System.