Single Tube Holder Kit, 7-10 x 110mm Back Catalog number: 800259 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800073 Tube Holder Dual Variable Flow, only Price on request 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Price on request