Formaldehyde 0.05-4.0 ppm Gas Detector Tube, pk/10 Back Catalog number: 171SC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg of 10) Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Flow Splitter Price on request 800139 Tube Holder Adapter for 1/2" Ends Price on request