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 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 Easy to install and relocate for cleaning, convenient to use in the Accessories category: electric cooker/electric cooker accessories Function: stop Usage: mosaic type1:Buoyancy valve type2:Check valve type3:Pressure cooker valve Colour:Silver Material:stainless steel Package Contents: 4 x float valves 4 x hats 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.