Single Tube Holder Kit, 7-10 x 150mm Back Catalog number: 800260 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x Price on request 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request