JBL SymecPad II CristalProfi e15/1901,2, Filter wool fleece (6x) for JBL CristalProfi e external filters for extra-fine filtering : Amazon.co.uk: Pet Supplies
JBL CristalProfi UniBloc E 401 701 901 1501 1901 Filter Cartridge Sponge Media | eBay
JBL Filtermedia Basket CristalProfi e15/1901
JBL Combi Filter Basket II | for e401/e701/e901 / for e1501/e1901