This Float Valve Set fits for Duo Series, Fits for Duo 3,5,6 Quart, Duo Plus 3, 6 Quart, Smart 6 Quart, Smart Wifi 6 Quart. Float valve and cap is small part that play a big role in how your pressure cooker works The silicone cap does wear out overtime from all the heat and pressure in the cooker. You might also lose one when you're washing the lid so it's good to have some spares around. Well made. High quality and durable. Silicone cap is made from safe durable silicone, no odor. Colour: as shown Material: Plastic+Stainless steel+Silicone Package Contents: 1 x Exhaust valve 1 x anti-block 1 x float valve 3 x gasket 1 x Tripod washer 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.