# Zefon® Calibration Jar

> Zefon calibration jar for air sampling pump flow rate verification. Creates sealed environment for accurate calibration. Essential field accessory. Order from ERE Inc.

- **URL:** https://ereinc.com/products/zefon®-calibration-jar
- **Type:** Air Sampling Accessory
- **Brand:** Zefon International Inc.
- **Pricing:** request a quote at https://ereinc.com/products/zefon®-calibration-jar
- **Tags:** Air Sampling, brand:zefon-international-inc, Calibration Accessories & Surface Samplers, cat:air-sampling, dept:instruments-sales, revamp-2026-06

## Images
- https://cdn.shopify.com/s/files/1/0561/7434/6433/products/Zefon_CalibrationJar.jpg?v=1629137961