BInstant Pot� Silicon Sealing Ring ReviewbP PP Instant Pot� Silicon Sealing Ring PMade from Durable Silicone CompoundPFit Instant Pot model IP-CSG60, IP-CSG50, IP-LUX60, IP-LUX50, IP-DUO60 and IP-DUO50.PReplace every 18-24 months or when deformation is noticedPUsing this on other brands such as Cuisinart, Fagor, etc., may cause leakage.