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 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request