Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Back Catalog number: 811-9963-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request