Sorbent Tube, Silica Gel, 8X110, 520/360, 50/BX Back Catalog number: 811-9968-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800263 Single Tube Holder Kit, 5 x 150mm [Kitagawa TWA Tu Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request