IMS / Competition Filter Basket Barista Pro -  21g (20-22g) for better Coffee! 

This one is for 21g (20-22g) and it's ridgeless with flat bottom like the VST.

 Number of holes: 661 - Height: 28 mm

• Precision Filter Baskets with certified and inspected holes
• Better and consistent extraction for better taste and mouthfeel
• Extremely clean extraction with smooth Crema 
• perfect match with integrated (200µM) or wire (35µM) membrane

Recommended Tamper:  ø 58.55mm + 58.8mm

* Fits most ø 60mm body Portaffilters:  E61 GROUP - ASTORIA - CASADIO - CONTI - ELEKTRA - FRACINO - KEESVANDERWESTEN - MAGISTER - MARZOCCO - N.SIMONELLI - PAVONI - PROMAC - RANCILIO - SLAYER - SYNESSO - VICTORIA ARDUINO - ASCASO - BEZZERA - BFC-BIANCHI - BRASILIA - ECM - EXPOBAR - FAEMA - FIORENZATO - GRIMAC - IBERITAL - LA NUOVAERA - LA SCALA - L'ORCHESTRALE - QUALITYESPRESSO - ROCKET - SAB ITALIA - SANREMO - VFA - VIBIEMME - WEGA - SLAYER - SYNESSO