Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Back Catalog number: 811-9974-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request