Nextteq Polyteq Detector Tubes Netteq Polyteq Detector Tubes expedite analysis by simultaneously measuring a variety of gases during a single test session. Each highly sensitive, semi-quantitative tube can detect from 9 to 15 chemicals, providing cost-effective monitoring and chemical identification. Order Below For pricing, please call 1-800-952-3293 or email sales@afcintl.com See Price Options