Single Tube Holder Kit, 7-10 x 175mm Back Catalog number: 800261 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 171SC Formaldehyde 0.05-4.0 ppm Gas Detector Tube, pk/10 Price on request 111U-CUMENE Cumene Gas Detector Tube for 20-140 ppm, pk/10 Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request