Tube Holder Housing End, 1/2" for 6mm OD Back Catalog number: 800062 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 400253 Tube Holder, Clear Storage Box Price on request 811-9979-50 Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Price on request 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request