Extend the vibrant life of your specialty coffee beans with the Tondiamo CO2 Valve Filter Set—engineered to release aromatic gases while maintaining an airtight seal. A refined solution for home baristas who demand excellence in every cup. ⚙️ At a Glance Type CO₂ Degassing Valve Filter Material PE Plastic Quantity 22 Pieces + 2 Rings Inner Diameter 20mm (0.79") Outer Diameter 23mm (0.91") Thickness 6mm 🔧 Compatibility Designed for coffee bean canisters, airtight containers, coffee bags, food storage bags, and pet food bags featuring standard exhaust valve openings. Works seamlessly with most modern degassing-compatible coffee storage systems. ✓ One-Way Valve Technology CO₂ Release Excellent Oxygen Barrier Superior Aroma Preservation Extended Durability Reliable ☕ Coffee Bean Storage 🛍️ Airtight Containers 🥖 Baking Ingredients 🍱 Food Storage Bags ✨ Premium Ingredients 📐 Specifications ⚗️ Material Food-Grade PE Plastic 📏 Inner ↩️ 30-Day Returns Unused items, 30 days. Damaged, wrong, or lost made right. 🔒 Secure Checkout Encrypted payment, trusted by Shopify. 📦 Tracked Shipping Every order ships with tracking. Why Home Cooks Choose SERA ✓ Hand-CuratedEvery tool & ingredient is selected for quality — not mass-listed. ✓ Café & Kitchen GuidanceClear how-to notes so you get great results at home. ✓ Real SupportQuestions? Our team replies within 24–48 hours. 📬 Shipping & Delivery: Your order ships with tracking and a confirmation email. Delivery times vary by destination. Easy 30-day returns on unused items — plus damaged, wrong, or lost orders made right.