IONTIK Wireless VOC Detector & VOC Monitoring Devices Charcoal Sorbent Tube PreviousPush-Pull Active Air Sampling Vacuum Pump Charcoal Sorbent Tube Charcoal Sorbent Tube $2.99 6mm glass charcoal sorbent tube with sealing caps for use with IONTIK active air samplers. Quantity: Add To Cart