Friis Freshness Valve Replacement Kit Friis Freshness Valve Replacement Kit with Six (6) Friis Freshness Valves One Year Supply of Friis Freshness Valves, to vent freshness damaging CO2 gases Works with All Coffee Vault Models (Classic, Traveler, Stainless Steel and Coffee Savor) Keeps an Air-Tight Storage Maintain rich, full coffee flavor