Syringe Kits are offered for carbon saturation detection. Acid Gas, Ammonia and Formaldehyde contaminant detector tubes are sold separately. Detector tubes are used to periodically sample the air quality in the air stream, providing assurance that the carbon-based filter is effectively trapping the chemical in use. Package of 3. For use with Paramount® Ductless and Filtered/Duet Enclosures, FilterMate™ Mobile Stations, Fume Adsorbers and Protector® Work Stations with Built-In Blower.