Precision Portafilter Basket - Double 12/18 gr - Standard. More details and product specifications here.
Suitable for standard portafilters accepting a 58mm tamper base from the following:
GROUP E61 ASCASO-BEZZERA-BFC-BIANCHI
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.