Tube Holder Single Variable Flow, only Back Catalog number: 800072 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request 244U Sulphuric Acid 0.5-5.0mg/m3Gas DetectorTube,pk/10 Price on request