U-Tube replacement for P/N 800143 Back Catalog number: 200157 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200115-10 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request 200114 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 Price on request