This float valve set is suitable for the Duo series, fits for Duo 3, 5, 6 Quart, Duo Plus 3, 6 Quart, Smart 6 Quart, Smart Wifi 6 Quart. The float valve and cap are a small part that plays a big role in how your pressure cooker works. The silicone cap wears out over time due to all the heat and pressure in the cooker. You can also lose one when you wash the lid, so it's good to have some spares on hand. Well made. High quality and durable. The silicone cap is made of safe, durable silicone, no odor. Color: as shown Material: Plastic+Stainless steel+Silicone Package Contents: 1 x Exhaust valve 1 x Anti-blocking cover 1 x Float valve 3 x Gasket 1 x Stand tray Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.