Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Back Catalog number: 800232 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request 800170 Tube Holder Hose Barb Fitting Price on request 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request