Here is the info off of the boxes I have, it is a two piece system:
Coloplast Assura Extra Skin Barrier/Extended Wear #2832
Coloplast Assura Bags 2822
Hope this help, its what the nurse sent me home with and my local drug store was able to order them in for me.
Crohn's Disease since 1993, colon removed March 10/2006 with possible J pouch surgery ahead.
Asthma since 1996.
Pulmonary Embollism July 2006.