Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Back Catalog number: 811-9982-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg of 10) Price on request 800063-10 Tube Holder Housing End, 1/2" for 5mm OD (Packg of 10) Price on request