Impinger Holder, Double, Aluminum, GilAir/HFS Back Catalog number: 200131 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 800074 Tube Holder Triple Variable Flow, only Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Price on request