Zefon International 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. Beginning from the start with injection molding of the plastic parts to the final assembly and packaging, we do it all.
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.
Zefon Escort ELF - Personal Air Sampling Pump
Escort ELF air sampling pumps feature a state of the art electronic laminar flow sensor to provide a constant flow control with ± 2.5% regulation of flow rate (from 1-3 lpm) with automatic compensation for changes in battery voltage, temperature, altitude, and sample load. An internal secondary standard calibrates the pump continuously and needs to checked against a primary standard only once per month (or every 200 hours for coal mine dust ...
Zefon - ZBP-200 - Plus with TSI Calibrator Kit
The Zefon Bio-Pump Plus is the smallest and lightest portable battery powered IAQ sampling pump available. It provides the simplest and most convenient way to sample with Air-O-Cell® and Via-Cell® cassettes at a flow rate of 15LPM.