Check the listing for details. Testo 310 Residential Combustion Analyzer Kit with Printer - 05633110. Condition: Used. Listed at 600.00 USD. Testo 310 Residential Combustion Analyzer Kit with Printer - 05633110. Used for one winter season. Works great, comes with full printer and extra filters. Registered online with Testo. Nothing wrong with it at all, the rest of my tools are Fieldpiece brand and I want my entire set to match.