? 12pc Coffee Bean Storage Tubes w/ Walnut Stand, One-Way Valve Funnel Condition: Brand New Brand: KNODOS Set Includes: ? 12 Borosilicate Glass Tubes (w/ One-Way Exhaust Valves) ? American Walnut Stand ? Stainless Steel Funnel ? 4 Replacement Tubes (no lids) ? Extra Silicone Rings Valves Material: Borosilicate Glass, Stainless Steel, Walnut Color: Walnut / Clear Capacity (Per Tube): 18g?23g depending on roast level Care Instructions: Hand Wash Recommended Material Features: BPA-Free, Airtight, Anti-Oxidation ? One-Way Valve for Freshness Each glass tube features a one-way exhaust valve to release CO? from freshly roasted beans?while keeping oxygen out. This preserves flavor and extends freshness. ? Tailored Dosing for Every Roast Holds up to: ? 23g (light roast) ? 21g (medium roast) ? 20g (dark roast) ? 18g (Italian oily roast) Perfect for espresso enthusiasts, single dosing, or home roasting setups. ? Elegant American Walnut Stand A handcrafted walnut display base provides stylish, stable storage. Perfect for kitchens, cafes, or coffee bars. ? Stainless Steel Funnel Included Avoid spills and maintain accuracy with the included metal funnel?designed for mess-free bean transfers. ? Airtight Dishwasher Safe Borosilicate glass + silicone seals ensure a tight closure, while all components (except wood) are dishwasher safe for easy cleanup. ? We provide clear, accurate listings with details from the manufacturer. While some items may feature stock photos, every order is backed by our dedication to honesty and customer trust. We believe our pieces offer incredible value compared to typical retail pricing.