BOTTOMLESS ESPRESSO PORTAFILTER: Using the bottomless portafilter allows you to watch the entire extraction process, can help you observe the flow column, flow rate, color, and find the defects and errors before extraction. Helping you create a delicious espresso coffee. WIDE COMPATIBILITY: The 51mm bottomless portafilter is compatible with 2 ears coffee machine,such as ECP3420/EC155/BCO430/EC260/BCO420/EC152/EC200/ECP3630/ECP3220W/ECP33.21 etc. MATERIAL: This espresso portafilter is made of premium metal and high polished by manual, which provides good corrosion resistance. Equipped with a double shot basket, which has fine holes are designed to filter coffee grounds more evenly and efficiently. The ABS handle looks great and is comfortable to hold. EASY TO USE & CLEAN: The bottomless portafilter is easy to use, can be fully disassembled to thoroughly clean and store. The handle is convenient to wash and can be replaced with different material handles, let you experience the of DIY. It makes an perfect coffee accessory and can be used for a long time. It is one of the must-have tools for every coffee lover and homemade coffee. Color: Black & Silver Material: plastic+metal Package Contents: 1 x bottomless portafilter with filter basket Only the above package content, other products are not included. Note: Light reflection 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.