This float valve and cap set is suitable for Duo 3, 5, 6 quart, Duo Plus 3, 6 quart, Ultra 3, 6, 8 quart, Plus 6 quart, 6 quart, Smart 6 quart 3 quarts of , . Not suitable for 5, 6 8 quarts, DUO 8 quarts, DUO Plus 8 quarts. The float valve is a small part that plays a big role in the working principle of your pressure cooker. The silicone cover will wear out for a long time due to all the heat and pressure in the stove. One may also be lost when cleaning the lid, so some spare items around are suitable. Excellent workmanship. High quality and durable. The silicone cover is made of safe and durable silicone with no peculiar smell. Color: as shown Material: stainless steel + silica gel Silicon gasket is often washed off, leaving the floating vale loose and the pressure cooker unusable because the steam leaks, this spare part can make your disabled cooker work like new. Essential supplies: Floater and sealer is are essential for pressure cooker to work under normal situation, floater inserts into the lid from outside to inside. The sealer locks the floater from inside, keeping the floater in place. Package Contents: 4 x Floating valve 8 x Cap Only the above package content, other products are not included. Note: Light 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.