UP100 70mmx300mm Dry Hopper Brewing Filter for Cornelius Kegs Corney Kegs Homebrewing Cap With Chain These dry hop filters are great for holding hops in your cornelius kegs. They measure 70mm x 300mm with a threaded top cap and hook for easy removal. These keg style dry hoppers are made from 100% stainless steel, easy to clean. Type: Bar Accessories; Work for Cornelius Kegs Home brewing Cap With the Chain, the chain could prevent Dry Hopper Brewing Filter tilting