1、Wide Compatibility: Coffee portafilter is suitable for Expobar, for Rocket, for Faema, for Wega, for EM19M2, for Gemilai, for Casadio, for Ascaso, for Sanremo, for La Cimbali, for Bezzera, for Royal, ect, binaural symmetrical 58mm commercial machine coffee machine. 2、Bottomless Coffee Portafilter: Bottomless design can help observe the flow column, flow rate, color, flow column stripes, etc., thus helping you to correct and improve extraction problems to make extraction more delicious and consistent. 3、Aluminium Alloy Material: Bottomless portafilter is made of aluminium alloy, eco friendly and no harm, more sanitary and safer, oxidation resistant, corrosion proof, rust proof and durable. 4、Easy To Use: The detachable design is convenient and quick to disassemble, easy to use, and easy to clean without dead corners. 58mm filter basket included, compatible for Expobar filter basket. 5、Wood Handle: The handle of coffee portafilter is made of solid wood. Make this handle to be a comfortable handle and provides stable handling.