Aquarium External Filters

The Betta External Canister UV Filter is great value for money and available from Cascade Koi & Aquatics. For a higher range we also stock the Fluval external canister filters in all sizes. With an external filter you have more space in the aquarium for your fishes habitat.

Showing 55 of 55 results

Fluval 107 External Filter
£109.99 £134.99
Fluval 207 External Filter
£124.99 £140.99
Fluval 307 External Filter
£159.99 £180.99
Fluval 407 External Filter
£216.99 £247.99
Fluval Uvc In-Line Clarifier
£74.99 £92.99
Fluval FX2 External Filter
£224.99 £299.99
Fluval FX4 External Filter
£247.49 £329.99
Fluval FX Uvc Clarifier
£109.99
Betta 700 UV Filter
£99.99
Betta 1050 UV Filter
£120.99
Betta 1620 UV Filter
£129.99
Betta 2000 UV Filter
£174.49
Betta Carbon Cartridge UV 700
£6.49
Betta Carbon Cartridge UV 1050
£6.99
Betta Carbon Cartridge UV 1620
£7.99
Betta Carbon Cartridge UV 2000
£8.99
Betta Filter Pad Set UV 700
£5.49
Betta Filter Pad Set UV 1050
£5.99
Betta Filter Pad Set UV 1620
£6.99
Betta Filter Pad Set UV 2000
£8.49
Fluval 106/07 Bio Foam Pad 2 Pack
£8.79
Fluval 206/07-306/07 Bio Foam 2 Pack
£13.69
Fluval 104/5/6/7-204/5/6/7 Bio Foam
£5.89
Fluval 106/107 Bio Foam Max
£7.89
Fluval 107 Bio-Foam Value Pack
£15.69
Fluval 406/07 Bio Foam 2 Pack
£14.39
Fluval 107/207-106/206 Nitrite Remover Pad
£9.99
Fluval 107/207-106/206 Phosphate Remover Pad
£9.99
Fluval 206/07 - 306/07 Bio Foam Max
£9.99
Fluval 207/06 Bio-Foam Value Pack
£19.99
Fluval 304/5/6/7-404/5/6/7 Bio Foam
£7.99
Fluval 307/06 Bio-Foam Value Pack
£28.99
Fluval 307/407-306/406 Nitrite Remover Pad
£12.29
Fluval 307/407-306/406 Phosphate Remover Pad
£12.29
Fluval 406-407 Bio Foam Max
£11.29
Fluval 407/06 Bio-Foam Value Pack
£31.29
Fluval Activated Carbon 300g
£13.49
Fluval Activated Carbon Bulk Jar
£15.99
Fluval Ammonia Remover 540g
£15.69
Fluval Ammonia Remover Pad 106-207
£9.99
Fluval Ammonia Remover Pad 307-406
£12.29
Fluval Ammonia Remover Pad Fx Range
£14.49
Fluval Biomax 1100g
£24.99
Fluval Biomax 500g
£13.49
Fluval Clearmax Phosphate Remover
£11.29
Fluval FX 4/5/6 Bio Foam
£21.59
Fluval Fx Nitrite Remover Pad
£14.49
Fluval Fx Phosphate Remover Pad
£14.49
Fluval FX2/4/5/6 Carbon Foam
£13.99
Fluval FX4/5/6 Bio Foam +
£13.99
Fluval Media Value Pack 107/207
£44.59
Fluval Media Value Pack 307/407
£89.99
Fluval Pre Filter 750g
£17.89
Fluval Quick Clear Pad 106/7 206/7 3 pack
£7.79
Fluval Quick Clear Pad 306/7 406/7 6 pack
£9.19