Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Back Catalog number: 811-9970-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200112-10 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 (pkg of 10) Price on request 800073 Tube Holder Dual Variable Flow, only Price on request 200157 U-Tube replacement for P/N 800143 Price on request