U-Tube replacement for P/N 800143 Back Catalog number: 200157 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request 800074 Tube Holder Triple Variable Flow, only Price on request