Single Tube Holder Kit, 7-10 x 110mm Back Catalog number: 800259 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request 800075 Tube Holder Quad Variable Flow, only Price on request