Check the listing for details. Testo 327-1 Flue Gas Analyzer Kit with printer works great filter sensor needed. Condition: Used. Listed at 275.00 USD. The Testo 327-1 Flue Gas Analyzer Kit with printer is a high-quality tool for analyzing gas and combustion characteristics. This kit includes a sensor and a filter, making it easier to accurately measure and inspect flue gases in various industrial and commercial settings. With the Testo brand reputation for reliability and precision, this analyzer kit ensures accurate results for testing and measurement purposes.