The o ring on this product page can be used on various espresso machine brands such as Astoria, Wega, Faema and Victoria Arduino. The Victoria Arduino part reference number is 02280047, For Astoria it is 12300026 and for Wega WY12300026. The part references for Faema are 402215000 and 4701135932. This o ring has been made from EPDM. The cord diameter is...