All BETTA EXTERNAL FILTERS BETTA EXTERNAL FILTERS Betta 1050 EXTERNAL FILTER Upto 230L MF640£80.99 Betta 1050 UV EXTERNAL FILTER Upto 230L MF643£82.25 Betta 1620 EXTERNAL FILTERUpto 360L MF641£96.52 Betta 1620 UV EXTERNAL FILTER Upto 360L MF644£128.00 Betta 2000 13watt UV EXTERNAL FILTER Upto 540L Aquariums MF645£147.26 Betta 2000 EXTERNAL FILTER Upto 540L Aquariums MF642£113.46 Betta 700 7watt UV EXTERNAL FILTER Upto 150L Aquariums MF638£69.99 Betta 700 EXTERNAL FILTER Upto 150L Aquariums MF639£59.99 Betta Replacement UV Tube 13w also fits Betta 2000uv Canister filter MF666£10.34 Betta Replacement UV Tube 7w also fits Betta 700uv and 1050uv Canister filter MF664£9.99