Aquarium fish tank external filter 1400L/H - cycled filter Saturday, April 29, 1:32 PM - Animals ... External Filter - Flow Rate: 1400 Litres per Hour - Hose size: 20mm / 0.8" Outside, 15mm / 0.6" Inside Diameter - Hose length 1.8 Metres - Water Volume: 12 Litres (Approx ... RH4 Dorking £85