Single Tube Holder Kit, 7-10 x 150mm Back Catalog number: 800260 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800254 Single Variable Flow Kit, 5 x 150mm [Kitagawa TWA Price on request 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 200112 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 Price on request