Single Variable Flow Kit, 6 x 70mm (Standard Charc Back Catalog number: 800253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request 811-9972-50 Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Price on request 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request