Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing Back Catalog number: 800136 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request 111U Isopropyl & Ethyl Acetate (10-1000 ppm) Gas detector tubes, pk/10 Price on request