Tube Holder Kit, Quad Variable, 6 x 70mm Back Catalog number: 800231 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request