Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubing Back Catalog number: 800066 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, 6 x 70mm (Packg of 50) Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request