IMS Baristapro Nanotech 18g Precision Ridgeless Double Filter Basket Item No D24661NT Edge to edge ø 70mm, height 24mm, 661 holes, Aisi steel 304, foodsafe certified. Suitable for use with the following make of machines Astoria CMA, Bezzera, BFC, Bianchi, Brasilia, Casadio, Conti, ECM, Elektra, Expobar, Faema, Fiorenzato CS, Fracino, Futurmat, Gaggia Spagna, Grimac, Italcrem, Magister, Mairali, Marzocco, Nuova Simonelli, Pavoni, Promac, Rancilio, Royal, Sab Italia, Sanremo, Scala, Slayer, Synesso, VFA Expres, Vibiemme, Victoria Arduino, Visacrem and Wega, to name but a few. Non-stick coating made of Nanoquartz increases the resistance to corrosion and chemical reaction. Holes made with an exact diameter and number specifically designed and tested to ensure precise extraction and a balanced quantity of soluble in the cup. Electropolished to guarantee a surface with higher strength and durability.