his 1/2 Gallon Mason Jar Thumper Lid Kit is designed for use with standard wide mouth mason jars and features a solid copper lid with dual copper tube connections. The kit includes a stainless steel mesh filter with attached chain for convenient handling and filtration support. Ideal for DIY liquid transfer, filtration, or workshop projects, this setup is made from durable copper components and fits common 1/2 gallon jars. Compact and easy to assemble, it is suitable for hobby and experimental applications. Package Includes: Copper mason jar lid assembly Stainless steel mesh filter with chain