You can purchase replacement filters direct from AirControl Systems for both the current model Daikin MC70LBVFM and the previous model MC707BVFM. The Bio-antibody filter for the MC707 is no longer sold in the UK or Europe
To avoid customer confusion the Daikin MC707BVFM and Daikin Siesta FS are identical Air Purifiers manufactured by Daikin Industries of Japan.
Daikin MC707B / Siesta 7FS Pleated Filter
Daikin MC70LVM Pleated Filter