To use these accessories, simply install them in the designated spots on your pressure cooker. The exhaust valve should be placed on the lid to allow steam to escape, while the relief valve and safety valve should be installed according to the manufacturer's instructions. This ensures your pressure cooker operates safely and efficiently. Features -Color:Black -Material:Stainless steel,plastic -Size:4.70X3.90X3.70cm/1.85X1.53X1.45in -Reliable safety: this valve ensures the safe operation of your pressure cooker, preventing accidents from excessive pressure -Efficient pressure release: the high efficiency venting system quickly internal pressure, up cooking and saving energy -Wide compatibility: suitable for numerous electric pressure cooker models, making it a versatile and practical replacement part -Compatibility check: ensure this valve fits your pressure cooker by comparing the listed measurements with your original valve. do not purchase if they do not match -Adaptable use: ideal for home kitchens, restaurants, and other environments, catering to different cooking needs Package list: 1pcs pressure cooker relief valve