Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Back Catalog number: 800232 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 244U Sulphuric Acid 0.5-5.0mg/m3Gas DetectorTube,pk/10 Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request