Our filters are made to exact Bodum, KONA and Sterling 12-cup french press specifications from woven stainless steel, doubled over edges and sturdy twill mesh design to ensure a super fine filtration experience. Each replacement accessory fits perfectly for the 51 ounce coffee press and turn your Kona french press or any 51 ounce coffee press into a double screen filter system. These filters have been created with a specific mold design for Bodum French Press 12-cup filter customers. The filter is roughly 4.6" in diameter and will fit perfectly in most 12-cup coffee press machines such as Bodum, Sterling, Grosche, Fancois, Bonjour, Thermos, Frieling, KONA and many more. The filter bends up and fits easily into the coffee cylinder.Our replacement filter for french press is made of heavy gauge stainless steel material,bends up and fits easily into the coffee cylinder designed to easily filter out coffee grounds or loose tea, leaving you with a perfect cup of coffee or tea.