Single Tube Holder Kit, 7-10 x 175mm Back Catalog number: 800261 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Price on request 800075 Tube Holder Quad Variable Flow, only Price on request