U-Tube replacement for P/N 800143 Back Catalog number: 200157 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800229 Tube holder plug for manifold Price on request 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request