Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Back Catalog number: 811-9980-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200484 Tubing, 1/4" ID x 1/16" W (3 ft), Clear Vinyl, Gil Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request