Tube Holder Adapter for 5/8" Ends Back Catalog number: 800138 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 800229 Tube holder plug for manifold Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request