[Compatible Models] This three-ear portable filter 51mm is suitable for Gevi, Wirsh, CASABREWS, Yabano, Hamilton Beach, Mr. Coffee, and other 51mm portable filters. The thickness of the 3 ears is 3.88-4mm. [Repair Channel] The bottomless design allows observation of the flow column, flow rate, color, and flow column stripes to identify defects and errors before extraction, helping to better judge the uniformity of extraction. [Smooth Walnut Handle] Features an ergonomic design with a solid wood handle for comfortable grip and stable operation. [Food Grade Stainless Steel] This bottomless filter is made of food-grade stainless steel, which is environmentally friendly, non-toxic, hygienic, safe, and offers resistance to oxidation, corrosion, and rust, ensuring durability. Material: Stainless Steel Color: As Shown Package Contents: 1 x Coffee Machine Handle Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3cm.