Extraction Proz 50-EXT-20 Glass Extractor Extraction Filter Tube 20" Long 50mm Diameter Clear with Stainless Steel Clamp Go to amazon.com Related posts Top recommendation for extraction tube Description50mm OD 20" Long 5mm Wall Thickness Professionally Hand Crafted in United States Annealed at 1050 Degrees F to remove all stress. Free Stainless Steel Hose Clamp Included