Charcoal Tube, Coconut Shell, Standard, 50/100mg, Back Catalog number: 801935 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 200112-10 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 (Pac Price on request 200113-10 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 (Pac Price on request 800238 Tube Holder O-Ring Kit Price on request