Designed for Instant Pot models: Duo 3, 5 and 6 qt; Duo Plus 3 and 6 qt; Ultra 3, 6 and 8 qt; Lux 3 qt; Nova Plus, Viva, Smart, Smart WiFi 6 qt. Note: Instant Pot float valves are model specific. This item not fit Duo 8 qt, Lux 5 qt, or Lux 6 qt. What you get: 2 x float valve; 6 x float valve gasket. Why you need it: replacement parts to maintain proper venting and sealing when the original valve discolors or breaks, helping preserve safe operation. Easy to replace: quick swap to restore performance without special tools. Use scenarios: - After heavy use or discoloration, replace to ensure accurate venting and pressure release. - Keep as spare parts for households with multiple Instant Pot models or during busy cooking weeks. - Use during routine lid maintenance or cleaning to refresh seals and prevent leaks.