1. This puck screen is made of premium stainless steel, which is non-, rust-proof and heat-resistant, super durable and safe to use. 2. Features filter of 150m, this portafilter lower shower filter screen ensures good filtering effect, achieving full extraction of coffee powder. 3. It is simple, practical and reliable, suitable for household, kitchen and coffee bar. 4. Thickness: 2mm Diameter: 51mm Filtering accuracy: 150 m Color: silver Material: 316 stainless steel Package Contents: 1 x Filter Mesh Screen Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.