Are you looking for pressure cooker relief valve set? The anti-blocking cover is made of food-grade plastic material, safe, and easy to clean after daily using. The exhaust valve and stop valve core are made of stainless steel material, and not easy to rust. Features -Color:Assorted Color -Material:Stainless steel, plastic -Size:4.50X3.50X2.00cm/1.77X1.38X0.79in - Complete set includes all necessary accessories. Compatible with most electric pressure cooker brands. - Made of stable and sturdy materials for durability and reliability. Easy to install and maintain, convenient. - Features pressure limiting and pressure release valves for safe use, give you more convenience to use. - Compatible with most electric pressure cooker brands, convenient and practical to use in your daily life. - This set includes accessories such as exhaust valve, stop valve core, safety valve, anti-blocking cover, etc. Package list: 1 x Exhaust valve 1 x Exhaust valve base 1 x anti-blocking cover 1 x valve core 1 x gasket 1 x rubber ring 1 x 1 x nut