This steam valve set is compatible with the Duo series, including Duo 3, 5, 6 Quart, Duo Plus 3, 6 Quart, Smart 6 Quart, and Smart Wifi 6 Quart. Steam valve and lid are small components that play a major role in how your pressure cooker functions. Silicone lid wears out over time due to heat and pressure in the cooker. You might also lose one while cleaning the lid, so it's good to have spares on hand. Durable. High quality and long-lasting. The silicone lid is made from safe and durable silicone with no odor. Color: As shown Material: Plastic + Stainless Steel + Silicone Packaging includes: 1 x Steam Valve 1 x Anti-blocking Shield 1 x Flow Valve 3 x Pouches 1 x Stand Pad Only the above items are included; other products are not part of the package. Note: Light reflection and different screens may cause slight color differences between the item in the image and the actual product. The allowable measurement error is +/- 1-3 cm.