Tube Holder Adapter for 5/8" Ends Back Catalog number: 800138 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Quad, all sizes) Price on request 200157 U-Tube replacement for P/N 800143 Price on request