Single Tube Holder Kit, 7-10 x 150mm Back Catalog number: 800260 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x Price on request 811-9973-50 Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Price on request F-PRO-1218 Universal Tube Holder System - Instruction Manual Price on request